Drugs Most Important MCQs

1 - A 50 year old female with end stage renal disease (ESRD) develops pulmonary tuberculosis. Which one of the following drugs should be used in a reduced dose ?

A. Rifampicin

B. Isoniazide

C. Pyrazamide

D. Ethambutol

Ethambutol

2 - A common side effect associated with all NSAID drugs is_______________?

A. Drowsiness

B. Gastric irritation

C. Xerostomia

D. Constipation

Gastric irritation

3 - A Hemophiliac patient has rheumatold arthritis. Which drug might be prescribed to relieve the pain ?

A. Acetaminophen

B. Acetylsalicylic acid

C. Phenylbutazone

D. Naproxen

Acetaminophen

4 - A paralyzing dose of succinylcholine initially elicits______________?

A. CNS stimulation

B. Muscle fasciculation

C. CNS depression

D. Decreased salivation

Muscle fasciculation

5 - A patient is having bronchodilation, increased temperature, constipation and tachycardia. The tentative diagnosis is_______________?

A. Oraganophosphate poisoning

B. Paracetamol poisoning

C. Mushroom poisoning

D. Atropine poisoning

Atropine poisoning

6 - A patient on 300 mg of aspirin will show all the following except________________?

A. Irreversible inhibition of cyclooxygenase path way

B. Prolonged bleeding time

C. Inhibition of thromboxane TXA2

D. Inhibition of prostaglandin PGI2

Irreversible inhibition of cyclooxygenase path way

7 - A patient taking beta-blocker preoperatively, at induction of anaesthesia with fentanyl. Which muscle relaxant should be avoided ?

A. Pancuronium

B. Rocuronium

C. Vecuronium

D. Atracurium

Pancuronium

8 - A patient with grand mal epilepsy would likely be under treatment with_____________?

A. Meprobamate

B. Pentobarbital

C. Trimethadione

D. Phenytoin

Phenytoin

9 - A patient with grandmal epilepsy would likely be under treatment with_______________?

A. Meprobamate

B. Pentobarbital

C. Trimethadione

D. Phenytoin

Phenytoin

10 - A person with glaucoma should not receive________________?

A. Sedatives

B. Vasoconstrictors

C. Antisialogogues

D. Local anaesthetic

Antisialogogues

11 - A young lady talking rifampicin and OCP together become pregnant, most probable cause is____________?

A. Rifampicin causes hepatic enzyme induction and increase metabolism of OCP's

B. Decreased absorption of OCP's

C. Obstruction of fallopian tubes

D. Increase excretion of OCP's

Rifampicin causes hepatic enzyme induction and increase metabolism of OCP's

12 - About heparin true is_____________?

A. Mixture of sulphated polypeptide

B. Known to cause idiopathic thrombocytosis

C. Half-life is 90 min

D. Decrease action of prothrombin III

Half-life is 90 min

13 - Action of Nitroglycerin is______________?

A. Direct action on smooth muscle

B. Slows SA node conductivity

C. Blocks arrhythmia

D. Increases perfusion to heart

Direct action on smooth muscle

14 - Activation of which of the following receptors would be expected to decrease anxiety_____________?

A. Nicotinic cholinergic receptors

B. Glutamate receptors

C. GABA receptors

D. Glucocorticoid receptors

GABA receptors

15 - Acute Barbiturate poisoning results in_______________?

A. Renal failure

B. Liver failure

C. Respiratory failure

D. Convulsions

Respiratory failure

16 - Adrenaline is used in following EXCEPT______________?

A. With xylocaine

B. Post extraction socket

C. Angina in dental chair

D. Both B & C

Both B & C

17 - Agents/Drugs which help in rapid coagulation of Blood_______________?

A. Astrigents

B. Styptics

C. Haemostatics

D. All of the above

All of the above

18 - All are symptoms of opiate withdrawls except______________?

A. Diarrhea

B. Lacrimation

C. Mydriasis

D. Excessive speech

Excessive speech

19 - All are true about metformin except_____________?

A. Inhibits cellular respiration in mitochondria

B. Excreted unchanged in urine

C. Reduce hepatic glucose production

D. Used in decompensated heart failure

Used in decompensated heart failure

20 - All are true about nitric oxide, EXCEPT____________?

A. Regulates vasomotor tone

B. Acts via cAMP

C. Present in cigarette smoke

D. It is important in penile erection

Acts via cAMP

21 - All are true of diazapenes except____________?

A. Benzodiazepam is used in treatment of status epilepticus

B. Benzodiazepam is used in the long term treatment of psychic disorders

C. Clonazeppam is used in the treatment of petitmal epilepsy

D. None of the above

Benzodiazepam is used in the long term treatment of psychic disorders

22 - All NSAIDs block cycloxygenase and____________?

A. Prostaglandin synthesis

B. Ectoglandin synthesis

C. Preglandin synthesis

D. Costaglandin synthesis

Prostaglandin synthesis

23 - All of the following are endogenous corticosteriods released by all adrenal cortex EXCEPT______________?

A. Cortisol

B. Cortisone

C. Dexamethsone

D. Aldosterone

Dexamethsone

24 - All of the following are predominant arteriolar dilators except____________?

A. Sodium Nitro prusside

B. Hydrallazine

C. Nifedipine

D. Nitrates

Nitrates

25 - All of the following are true about tolbutamide except____________?

A. It is taken orally

B. It is used in type-I diabetes mellitus

C. It causes alcohol intolerance

D. It acts on pancreas to stimulate release of insulin

It is used in type-I diabetes mellitus

26 - All of the following decrease skeletal muscle tone by CNS effects except____________?

A. D-tubocurarin

B. Diazepam

C. Beclofen

D. Mephensin

D-tubocurarin

27 - All of the following drugs are useful in treatment of hypertension except______________?

A. Ephedrine

B. Reserpine

C. Methyldopa

D. Thiazole diuretics

Ephedrine

28 - All of the following glucocorticorticoids can be given by inhalation EXCEPT_______________?

A. Dexamethasone

B. Beclomethasone

C. Budesonide

D. Fluticasone

Dexamethasone

29 - All of the following have receptors which are transcription factors except____________?

A. Insulin

B. Estrogen

C. Vitamin D

D. Glucocorticoid

Insulin

30 - All of the following statements about opioids is correct except_____________?

A. Pentazocine and buprinorphine

B. Pentazocine shows withdrawal symptoms in opioid dependent patients

C. Partial agonists are free from classic opioid adverse effects

D. Ethomorphine is similar to pethidine chemically

Partial agonists are free from classic opioid adverse effects

31 - All of the following statements about pain are correct except_____________?

A. Analgesia is associated with μ and k receptors

B. Dysphoria is associated with S receptors

C. NSAIDS benefit by preventing prostaglandin synthesis

D. Naloxane is a non-competitive antagonist and irreversibly opposes the opioids

Naloxane is a non-competitive antagonist and irreversibly opposes the opioids

32 - All of the given drugs are positive inotropes EXCEPT_____________?

A. Dopamine

B. dobutamine

C. Digoxin

D. Doxepin

Doxepin

33 - All of the given drugs may be useful in acute exacerbation of bronchial asthma EXCEPT_____________?

A. Cromolyn sodium

B. Hydrocortisone

C. Salbutamol

D. Ipratropium

Ipratropium

34 - All the following about antiemetic drugs are correct except_______________?

A. Domperidone blocks the D2 receptors in CTZ and upper gut

B. Domperidone causes Dystonia

C. Ondastran acts on selective 5 -HT3 receptors

D. Ondastran may cause vomiting by effecting the cytotoxic antige receptors

Ondastran may cause vomiting by effecting the cytotoxic antige receptors

35 - All the following drugs reduced the gastric acid secretion EXCEPT____________?

A. Ranitidine

B. Sucralfate

C. Misoprostal

D. Pantoprazole

Sucralfate

36 - Alpha blocker used as anti hypertensive agent_____________?

A. Alpha methyl DOPA

B. Prazosin

C. Clonidine

D. Propranolol

Prazosin

37 - Amitryptyline is a____________?

A. Antibiotic

B. Sedative

C. Tricyclic antidepressant

D. Diuretic

Tricyclic antidepressant

38 - Amyl nitrate is most commonly administered _________________?

A. Intravenously

B. By inhatation

C. Sub lingually

D. Orally

Sub lingually

39 - An antiepileptic drug used in petitmal epilepsy is______________?

A. Phenobarbitonse

B. Dilantoin sodium

C. Diazepam

D. Ethosuximide

Ethosuximide

40 - An anxiolytic, not interacting with GABA ergic system and used in generalized anxiety is______________?

A. Alprazolam

B. Diazepam

C. Buspiron

D. Phenobarbital

Buspiron

41 - An attack of bronchial asthma is most likely to be triggered by________________?

A. Aspirin

B. Ibuprufen

C. Diclofenac potassium

D. Both A & B

Both A & B

42 - An attack of migraine can be easily terminated by___________?

A. Acetylcholine

B. Ergotamine

C. Morphine

D. Ibuprofen

Ergotamine

43 - An oral hypoglycemic agent is______________?

A. Warfarin

B. Insultin

C. Glibeneclamide

D. Gluengon

Glibeneclamide

44 - An untoward effect of that is common to all phenothiazines is______________?

A. A marked increase in blood pressure

B. Rigidity and tremor at rest, particularly with prolonged use

C. Suppression of prolacin

D. Nausea

Rigidity and tremor at rest, particularly with prolonged use

45 - Antagonist of morphine is_______________?

A. Naloxone

B. Nalosphine

C. Nalpuphine

D. Methadine

Naloxone

46 - Aspirin acts on which part of brain ?

A. Substantia gelatinosa

B. Limbic system

C. Medulla

D. Cortex

Substantia gelatinosa

47 - Aspirin causes___________?

A. Agranulocytosis

B. Hemolytic anemia

C. Aplastic anemia

D. Hypoprothrombinemia

Hypoprothrombinemia

48 - Aspirin is avoided in children with influenza infection because of association______________?

A. Reye's syndrome

B. Nausea

C. Diarrhoea

D. Acid-base imbalance

Reye's syndrome

49 - Aspirin is contraindicated in______________?

A. Peptic ulcer

B. Person suffering form chicken pox or small pox

C. Hemorrhage

D. All of the above

All of the above

50 - Aspirin is contraindicated in_______________?

A. MI

B. Angina

C. Peptic ulcer

D. Hypertension

Peptic ulcer

51 - Aspirin is used in treatment of Myocardial Infarction___________?

A. It inhibits thromboxanes

B. It stimulates Prostacyclins

C. It is a vasodilator

D. Ithelps in reducing inflammatory aggregate

It inhibits thromboxanes

52 - Aspirin produces all of the following effects except_____________?

A. Frank gastric bleeding

B. Prolonged prothrombin time

C. Platelet dysfunction

D. Constipation

Constipation

53 - Aspirine cause_____________?

A. Increase BT

B. Increase CT

C. Increase PTT

D. Increase APTT

Increase BT

54 - Aspirine is useful in all the following conditions EXCEPT_____________?

A. Fever

B. Post myocardial infarction

C. Venous thrombosis

D. Gout

Gout

55 - Atropine is used in______________?

A. Organophosphate poisoning

B. Chronic glaucoma

C. Syncope

D. Trigeminal neuralgia

Organophosphate poisoning

56 - Atypical Antipsychotic are all except______________?

A. Olanzepine

B. Clozapine

C. Risperidone

D. Thioridazone

Thioridazone

57 - B- blocker with additional a-blocking property is____________?

A. Propranolol

B. Timolol

C. Metoprolol

D. Labetalol

Labetalol

58 - Benzodiazepine antagonist is________________?

A. Flumazenil

B. Furazolidone

C. Naloxone

D. Naltrexone

Flumazenil

59 - BEnzodiazepines are true in___________________?

A. Produce distortion in sleep more than other sedatives

B. More safe than other sedatives when take in larger amounts

C. After metabolism of other drugs in liver

D. All have metabolically active substrates

More safe than other sedatives when take in larger amounts

60 - Best and most effective drug to control convulsions in toxicity cases is______________?

A. Phenobarbitone

B. Phenytoin

C. Diazepam

D. Carbemezipine

Diazepam

61 - Beta blockers are contraindicated in___________?

A. Angina pectoris

B. Cardiac arrhythmia

C. Cardiac failure

D. Myocardial infarction

Cardiac failure

62 - Beta2 adrenergic receptor stimulating drugs are used in_______________?

A. Bronchial asthma

B. cardiac asthma

C. Hypertension

D. Angina pectrosis

Bronchial asthma

63 - Birbiturates in pediatrics is_____________?

A. Contraindicated

B. Low safety

C. Can be used safely

D. Not much use

Low safety

64 - Bleeding from the oral mucosa can be reduced by topical use of_______________?

A. Epinephrine

B. Lidnocaine

C. Hydrocortisone

D. Dicoumarol

Epinephrine

65 - Blockers are used in all except_____________?

A. Phenochyromocytoma

B. Migraine

C. Thyrotoxcosis

D. Secondary shock

Thyrotoxcosis

66 - Bradycardia is most commonly treated with which of the following drugs_____________?

A. Epinephrine

B. Atropine

C. A diuretic

D. A potent vasadilatior

Atropine

67 - Bronchospasm can be precipitated by______________?

A. Adrenaline

B. propranolol

C. Atropine

D. Salbutamol

propranolol

68 - Buprenorphine acts by following mechanism________________?

A. Mu receptor antagonist

B. Kappa receptor antagonist

C. Mu receptor partial agnoist

D. Kappa receptor partial agonist

Mu receptor partial agnoist

69 - Carbamazepine is a type of___________?

A. Antidepressant

B. Antinflammatory

C. Antibiotic

D. Antiemetic

Antidepressant

70 - Cloidogrel is an______________?

A. Anti hypertensive

B. Antidiabetic

C. Antipalatelet

D. Anticoagulant

Antipalatelet

71 - Clotting time is most like to be prolonged by the administration of____________?

A. Vitamin K

B. Barbiturates

C. Acetominophen

D. Acetyl salicylic acid

Acetyl salicylic acid

72 - Curare poisoning is characterised by________________?

A. Hypertension

B. Hypotension

C. Doesn't release histamine

D. Oral route of administration is the best route

Hypotension

73 - Delay in blood coagulation results from_____________?

A. Human thrombin

B. Heparin

C. Ferric chloride

D. Vit-K

Heparin

74 - Diuretics cause loss of_______________?

A. Sodium

B. Calcium

C. Potassium

D. Iron

Potassium

75 - Doalin pectrose is_____________?

A. Mummifying agent

B. Anticoagulant

C. Counter irritant

D. Anti diarroheal

Anti diarroheal

76 - DOPA and 5-Hydroxytryptophan are clinically important because_____________?

A. They cross blood Brain Barriers

B. They are acidic precursors of Brain amines

C. They act as neuromodulators

D. They are metabolites of various neurogenic amines

They cross blood Brain Barriers

77 - Drug not requiring dose adjustment in renal disease is___________?

A. Aminoglycoside

B. Vancomycin

C. Calcium channel blocker

D. Metronidazole

Calcium channel blocker

78 - Drug that does not cause sedation________________?

A. Buspirone

B. Nitrazepam

C. Zopiclone

D. Diazepam

Buspirone

79 - Drug which causes gingival hyperplasia_____________?

A. Nifedipine

B. Erythromycin

C. Cyclosporin

D. Both A & C

Both A & C

80 - Drug which is used to control status epilepticus is______________?

A. Diazepam

B. Sodium nitroprusside

C. Glyceryl trinitrite

D. Pheno barbital

Diazepam

81 - Drugs causing hyperglycemia_______________?

A. B-blocker

B. Glucocorticoids

C. Acetylcholine

D. a-blockers

Glucocorticoids

82 - Drugs like barbiturates precipitate symptoms of prophyria because______________?

A. They depress ALA synthase

B. They inhibit ALA synthase

C. They induce heme oxygenase

D. They inhibit heme oxygenase

They depress ALA synthase

83 - Dry mouth during antidepressant therapy is caused by blockade of______________?

A. Muscarinic acetylcholine receptors

B. Serotonergic receptors

C. Dopaminergic receptors

D. GABA receptors

Muscarinic acetylcholine receptors

84 - D-tubocurarine blocks the neuromuscular transmission by___________?

A. Blocking acetylcholine receptors

B. Prevent release of acetyl choline

C. Destroys acetyl choline

D. Inactivate acetylcholine esterase enzyme

Blocking acetylcholine receptors

85 - Each of the following is correct for the treatment of Diarrhoea except_______________?

A. Kaolin has marginal therapeutic effect

B. Opioids delay the passage of gut contents by decreasing peristalsis and increasing intestinal segmentation

C. Loperamide had high abuse potential

D. Diphenoxylate may cause respiratory depression on administration

Diphenoxylate may cause respiratory depression on administration

86 - Excessive bleeding due to heparin overdose is controlled by______________?

A. Protamine sultate

B. Vitamin K

C. Factor VIII

D. EADA

Protamine sultate

87 - Fellypressin is a_______________?

A. Vaso dilator

B. Vaso constrictor

C. Neuroleptic

D. Anti coagulant

Vaso constrictor

88 - Folic acid deficiency occurs in______________?

A. Aspirin

B. Phenytoin

C. Chloromphenicol

D. Cyclosporine

Phenytoin

89 - Following analgesic combination should be avoided ?

A. Aspirin and Codeine

B. Paracetamol and Dextropropoxyphene

C. Ibuprofen and Paracetamol

D. Ibuprofen and DIclofenac

Ibuprofen and DIclofenac

90 - Following inhibits Cytochrome P450_____________?

A. Cimetidine

B. Famotidine

C. Ranitidine

D. All of the above

Cimetidine

91 - Gastric irritation is minimum with one of the following non-steroidal anti inflammatory drugs_____________?

A. Piroxicam

B. Tenoxicam

C. Meloxicam

D. Indomethacin

Meloxicam

92 - Heparin, apart from releasing lypoprotein lipase in the blood exerts its anti-coagulant action by____________?

A. Binding to calcium

B. Inhibiting fibrinogen synthesis

C. Inhibiting prothrombin synthesis

D. Inhibiting thrombin synthesis

Inhibiting thrombin synthesis

93 - Heroin, an addict drug contains______________?

A. ASA

B. Acetyl morphine

C. Pentazocine

D. Propoxyphene

Acetyl morphine

94 - Hypokalemia is seen in therapy with____________?

A. Digitalis

B. Ibuprufen

C. Corticosteroids

D. Diazepam

Digitalis

95 - Ibuprofen is contraindicated in_______________?

A. patients having fever

B. patients having asthma

C. patients having amoebic dysentery

D. Patient having bronchitis

patients having asthma

96 - Identify the factors which decrease the effect of Oral anticoagulants_______________?

A. Pregnancy

B. Nephrotic syndorme

C. Newborn

D. Both A & B

Both A & B

97 - If patient is given Noradrenaline what will happen_______________?

A. Cause increase in B.P, due to its action on Beta receptors only

B. Cause decrease in B.P, due to its action on Alpha receptors only

C. Cause decrease in cardiac output and relax bradycardia

D. None of the above

Cause increase in B.P, due to its action on Beta receptors only

98 - In treating Xerostomia, Which of the following might be prescribed ?

A. Atropine

B. Neostigmine

C. Scopalamine

D. Ephedrine

Neostigmine

99 - In which of the following categories are ephedrine, tyramine and emphetamine classified________________?

A. Anticholinesterases

B. Alpha-adrenergic blocking agents

C. Indirect acting sympathomimetics

D. Direct acting sympathomimetics

Indirect acting sympathomimetics

100 - Indirect sympathomimetics can_______________?

A. Penetrate the blood brain barrier

B. Cause euphoria

C. Both of the above

D. None of the above

Both of the above

101 - INFLIXIMAB (systemic) is used in_____________?

A. Crohn's disease (treatment)

B. To reduce the number of draining enterocutaneous fistula(s) in patients with fistulizing crohn's disease

C. Rheumatoid arthritis (treatment)

D. All of the above

All of the above

102 - Ipratropium bromide is used for_____________?

A. Renal colic

B. Organophosphorus poisoning

C. Bronchial asthma

D. miosis

Bronchial asthma

103 - Isosorbide 5 – mononitrate is preferred because____________?

A. Less tolerance develops

B. Sublingual absorption is better

C. Longer duration of action

D. Direct coronary vasodilatory action is more

Longer duration of action

104 - IV ultrashort acting barbiturate_____________?

A. Meprobamate

B. Pentobarbitone

C. Thiopentone

D. Phenobarbitone

Thiopentone

105 - Less gastrointestinal bleed is seen in the following NSAID_______________?

A. Meloxicam

B. Naproxen

C. C0X2 specific inhibitors

D. Ibuprofen

C0X2 specific inhibitors

106 - Long acting beta – 2 agonist ?

A. Albuterol

B. Salmeterol

C. Pirlbuterol

D. Orciprenaline

Salmeterol

107 - Magnesium and Aluminium are added in Antacid because_____________?

A. Mg Causes constipation, Al causes diarrhoea

B. Mg Causes Diarrhoea, Al Causes Constipation

C. Mg act as buffering agent and Al antagonize its action

D. Both increase gastric motility

Mg Causes Diarrhoea, Al Causes Constipation

108 - Mechanism of action of nifidipine is_____________?

A. It has a prominent smooth muscle relaxant action causes arteolar dilation leading to fall in blood pressure

B. Nifidipine depresses the SA node thus decreasing mycocoardial excitability

C. Mainly depression of A-V conduction

D. Decreased cardiac output thus decreasing load on myocardium

It has a prominent smooth muscle relaxant action causes arteolar dilation leading to fall in blood pressure

109 - Mode of action of sulphonyl ureas includes all the following except______________?

A. Activating receptors on beta cells of pancreas to release insulin

B. Inhibiting gluconeogenesis in liver

C. Enhancing insulin mediated post receptor enzyme reaction

D. Decreasing Glucose absorption from the qut

Decreasing Glucose absorption from the qut

110 - Morphine a powerful opioid analgesic drug should be avoided in all the following conditions except____________?

A. Left ventricular failure

B. Bronchial asthma

C. Constipation

D. A & C

A & C

111 - Morphine is a_____________?

A. Sedative

B. Alkaloid

C. Diuretic

D. Both A & B

Both A & B

112 - Morphine is contraindicated in all of the following except_______________?

A. Pulmonary oedema

B. Emphysema

C. Bronchial asthma

D. Head injury

Pulmonary oedema

113 - Morphine withdrawal is characterized by all EXCEPT_____________?

A. Miosis

B. Yawning

C. Lacrimation

D. Diarrhoea

Miosis

114 - Narcotic overdose can be antagonized by______________?

A. Diphenhydramine

B. Atropine

C. Naloxane

D. Nalorphine

Naloxane

115 - Neuromuscular blocking agent with duration of onset of action less than 2 minutes is_________________?

A. D-tubocuraine

B. Succinyl choline

C. Pancuronium

D. Gallamine

Succinyl choline

116 - Neusea and vomiting that are associated with administration of opioid analgesic is the result of stimulation of the_____________?

A. Limbic system

B. Emetic system

C. Chemoreceptor trigger zone (CTZ)

D. Opioid receptors in G.I.T

Chemoreceptor trigger zone (CTZ)

117 - NSAID which undergoes enterohepatic circulation______________?

A. Phenylbutazone

B. Piroxicam

C. Aspirin

D. Ibuprofen

Piroxicam

118 - NSAID's have adverse effect on________________?

A. Bone

B. Kidney

C. Liver

D. Stomach

Stomach

119 - Omeprazol is used in the treatment of____________?

A. Peptic Ulcer

B. Amoebiasis

C. Malaria

D. cholera

Peptic Ulcer

120 - Omeprazole is a_____________?

A. Antihistamine

B. Proton pump inhibitor

C. Ulcer protective

D. Ulcer healing drug

Proton pump inhibitor

121 - One of the benzodiazepines (BDZ) comparatively safe in pregnancy is (Category-B) ?

A. Alprozolam

B. Zolpidem

C. Lorazepam

D. None of the above

Lorazepam

122 - One of the following is not an antiemetic_____________?

A. Chlorpromazine

B. Digitoxin

C. Metaclopromide

D. Scopolamine

Digitoxin

123 - One of the obious consequences of alchol ( ethenol), ingestion in many individual is facial flushing and increased heart rate triggered off by alcohol getting metabolized to______________?

A. Formaldehyde

B. Acetaldehyde

C. Propanaldehyde

D. Butanaldehyde

Acetaldehyde

124 - Paracetamol is contraindicated in_______________?

A. Nephritis

B. Chronic hepatitis

C. Bleeding disorders

D. A & B

A & B

125 - Phenothiazines are used to____________?

A. Produce muscle relaxation

B. Alter psychotic behaviour

C. Suppress coughing

D. Produce analgesia

Alter psychotic behaviour

126 - Phenytoin is associated with_____________?

A. Folic acid deficiency

B. Alzhiemer's disease

C. Cushing's syndrome

D. Vitamin C deficiency

Folic acid deficiency

127 - Platelet aggregation in inhibited by all except_______________?

A. Indomenthacin

B. Salicylates

C. Dypyradimole

D. Phenobarbitone

Phenobarbitone

128 - Pregnant patient can be safely given______________?

A. Tetracycline

B. Paracetamol

C. Metronidazole

D. Barbiturates

Paracetamol

129 - Prolonged use of aspirin causes_______________?

A. Hypoprothrombinemia

B. Hyperprothrombinemia

C. Hyprphosphatasia

D. Hypercalcemia

Hypoprothrombinemia

130 - Prolonged use of aspirin leads to______________?

A. peptic ulcer

B. Bleeding defects

C. Carcinoma

D. A & B

A & B

131 - Quindine is used to treat______________?

A. Hypertension

B. Angina pectoris

C. Atrial fibrillation

D. Congestive heart failure

Atrial fibrillation

132 - Quinine is obtained from CINCHONA________________?

A. Root

B. Bark

C. Leaves

D. Seed capsule

Bark

133 - Rebound phenomenon is most commonly seen with use of_________________?

A. Epinephrine

B. Norepinephrine

C. Phenyleprine

D. Leuonordefrin

Epinephrine

134 - Respiratory depression is seen with_____________?

A. Tranquilizers

B. Non-barbiturates

C. Synthetic narcotics

D. Antidepressants

Synthetic narcotics

135 - Role of Heparin_____________?

A. Prevents synthesis of prothrombin

B. Prevents synthesis of fibrinogen

C. Prevents conversion of fibrinogen to fibrin

D. Prevents prothrombin conversion to thrombin

Prevents prothrombin conversion to thrombin

136 - Salbutamol is used in_____________?

A. Cardiac asthma

B. Bronchial asthma

C. Pulmanray oedema

D. Cor pulmonale

Bronchial asthma

137 - Salicylate administration is contraindicated in pregnancy because_______________?

A. It delay onset of labour

B. Causes pulmonary hypertension of newborn

C. Readily croses placental barrier

D. All of these

All of these

138 - Salicylate overdose in children causes_______________?

A. Crystalluria

B. Rye's syndrome

C. Kernicterus

D. None of the above

Rye's syndrome

139 - Scopolamine helps in________________?

A. Motion sickness

B. Hypertension

C. Decreased secretions

D. A & C

A & C

140 - Short-acting non-depolarising muscle relaxant is________________?

A. Succinylcholine

B. Pancuronium

C. Mivacurum

D. Decamethonium

Mivacurum

141 - Shortest acting opioid analgesic is______________?

A. Morphine

B. Fentanyl

C. Remifentanil

D. Sufentanil

Remifentanil

142 - Sialogouges are______________?

A. Increases salivary secretions

B. Decrease salivary secreations

C. Indicator dye for sialography

D. Medication for over function

Increases salivary secretions

143 - Steroids________________?

A. Steroids reduce the rate of repair of tissues thus delays the healing

B. Exacerbate the inflammatory response

C. Can be safely given to immunocompromised patients

D. Indicated in oral thrush

Steroids reduce the rate of repair of tissues thus delays the healing

144 - Succinylcholine is a/an______________?

A. Intravenous anaesthetic agent

B. Non-depolarizing muscle relaxant

C. Short-acting narcotic

D. None of the above

None of the above

145 - Succinylcholine prevents bronchospasm by______________?

A. Depolarising block

B. Direct muscle relaxation

C. Centrally acting muscle relaxation

D. Dual action

Depolarising block

146 - The anticoagulant action of Warfarin is potentiated by all except_____________?

A. Phenylbutazone

B. Vitamin K

C. Rifampicin

D. B & C

B & C

147 - The anticogulant of choice during pregnancy is______________?

A. Warfarin sodium

B. Sodium oxalate

C. Heparin

D. Phenindone

Heparin

148 - The anti-inflammatory analgesic drug the causes least gastrointestinal symptoms is______________?

A. Aspirin

B. Phenyl butazone

C. Paracetamol

D. Indomethacin

Paracetamol

149 - The beneficial effect of drug neostigmine in the treatment of Myasthenia gravis is due to the action____________?

A. It is produces more acetylcholine

B. It inhibits the action of cholinesterase

C. It produces more acetycholine receptors

D. It increases the action of cholinesterase

It inhibits the action of cholinesterase

150 - The drug which activates plasma antithrombin -III for its anticogulant action is____________?

A. Dicumarol

B. Idphenadione

C. Heparin

D. Phenindone

Heparin

151 - The drug which is contraindicated in haemophilla is_________________?

A. Aspirin

B. Penicillinium

C. Amino epsilon caproic acid

D. Dipheny 1 hydantoin

Aspirin

152 - The Ethyl alcohol (Ethanol) is more effective when mixed with water and used as_____________?

A. 10 to 20 percent

B. 20 to 30 percent

C. 40 to 50 percent

D. 60 to 70 percent

60 to 70 percent

153 - The first choice of drug for patitmal seizure is________________?

A. Phentoin sodium

B. Carbamazepine

C. Phenobarbitone

D. None of the above

None of the above

154 - The following drugs are useful in hypertension except_____________?

A. Calcium channel blockers

B. Alpha methyl dopa

C. Beta blockers

D. Pentoxifyline

Pentoxifyline

155 - The highest risk associated with use of oral contraceptives in________________?

A. Hepatic necrosis

B. Permanent sterility

C. Thromboembolic disorders

D. Cancer of breast

Thromboembolic disorders

156 - The intramuscular administration of 0.6 mg of atropine sulphate to a 50 kg adult may produce all of the following effects except________________?

A. Bradycardia

B. Decreased salivation

C. Decreased sweating

D. Mydriasis

Bradycardia

157 - The mechanism of action of sodium nitroprusside is_____________?

A. Increases cAMP

B. Direct Vasodilator

C. Calcium channel blocker

D. Block the sympathetic flow at hypothalamus

Direct Vasodilator

158 - The most prominent toxic effect associated with acetominophen use is______________?

A. Respiratory alkalosis

B. Haemorrhage

C. Hepatic necrosis

D. Gastric Ulceration

Hepatic necrosis

159 - The muscle relaxant effect of succinylcholine lasts for______________?

A. 1 min

B. 2 min

C. 3-5 min

D. 10 min

3-5 min

160 - The potent anti arrhythmic drug which has little negative ionotropic effect valuable in patients with poor left ventricular function_____________?

A. Amlodipine

B. Bidoprolo

C. Amiodarnone

D. Digoxin

Digoxin

161 - The principle central action of caffeine is on the________________?

A. Cerebral cortex

B. Corpus callosum

C. Hypothalamus

D. Spinal cord

Cerebral cortex

162 - The principle therapeutic action of the glucocorticoid is________________?

A. Antidiuretic

B. Antianabolic

C. Anti-infective

D. Anti-inflammatory

Anti-inflammatory

163 - The rate of injection of intravenous Valium is_______________?

A. 1 ml / min

B. 2.5 ml / min

C. 1 mg / min

D. 2.5 mg / min

1 ml / min

164 - The statement Not true of Selective Cox – 2 inhibitor is________________?

A. The analgesic and anti-inflammatory effects identical to that of Non-selective NSAID

B. They do not offer the cardio protective effect

C. Safe in patients with renal insufficiency

D. Fewer incidence of gastrointestinal side effect

Safe in patients with renal insufficiency

165 - The toxic effect of Beta receptor antagonists includes all the following EXCEPT____________?

A. Hypoglycemic episodes in diabetes

B. Worsening of preexisting asthma

C. Ischemic cardiac episode on abrupt discontinuation

D. Precipitate migrainic effect

Precipitate migrainic effect

166 - Therapeutic uses of a – adrenoceptor blockers include all of the following EXCEPT______________?

A. Hypertension

B. Amxiety

C. Peripheral Vascular disease

D. Benign Prostatic hypertrophy

Amxiety

167 - Thiopentone action is terminated by______________?

A. Excretion

B. Metabolism

C. Redistribution

D. Recycling

Redistribution

168 - Thyroid storm can be treated by all the following drugs EXCEPT______________?

A. Propylthiouracil

B. Dexamethasone

C. Propranolol

D. Aspirin

Aspirin

169 - Triflusal is a___________________?

A. Anti-inflaqmmatory drug

B. Antibiotic

C. Anti-arthritic drug

D. Antiplatelet drug

Antiplatelet drug

170 - True about use of midazolam over diazepam is sedation in all except ?

A. Less thrombophlebitis due to low solubility in blond

B. More plasma binding and less toxicity

C. More potent than diazepam

D. Binds to benzodiazepine receptors with 3-4 time more avidly

Binds to benzodiazepine receptors with 3-4 time more avidly

171 - various insulin preparations useful in the treatment of diabetes mellitus differ primarily in______________?

A. Focus of action

B. Onset and duration of action

C. Mode of biotransformation

D. None of the above

Onset and duration of action

172 - Verril's sign is seen in_________________?

A. Diazepam administration

B. Digitalis toxicity

C. Paget's disease

D. Unconscious states

Diazepam administration

173 - Warfarin therapy is prolonged by all except______________?

A. Rifampicin

B. Amoxycillin

C. Erythromycin

D. Tetracycline

Rifampicin

174 - Which among the following is a pure antagonist of opioid receptors ?

A. Natrexone

B. Nalbuphine

C. Butorphanol

D. Pentazonice

Natrexone

175 - Which among the following may be used as a sedatives hypnotic ?

A. Zolmitriptan

B. Zileuton

C. Zolpiden

D. Zalcitabine

Zolpiden

176 - Which among the following Not a pharmacological action of opioids______________?

A. Cough suppression

B. Anti-emesis

C. Miosis

D. Truncal rigidity

Anti-emesis

177 - Which is NOT a 2nd generation antihistaminic ?

A. Loratidine

B. Acrivastatine

C. Cyclizine

D. Terfenidine

Cyclizine

178 - Which is not antiemetic ?

A. Domperidone

B. Phenazocine

C. Cyclizine

D. Ondanestron

Phenazocine

179 - Which of the following anti inflammatory drug is a COX-2 inhibitor_____________?

A. Aspirin

B. Ketoprofen

C. Rofecoxib

D. Sulidec

Rofecoxib

180 - Which of the following anti-epileptic agents causes the reversible side-effect of gingival hyperplasia ?

A. Ethosuximide

B. Phenobarbitone

C. Sodium valporate

D. None of the above

None of the above

181 - Which of the following antihypertensive agents in most likely to cause an exaggerated response to an injected catecholamine_____________?

A. Propranolol

B. Hydralazine

C. A thiazide diuretic

D. Gauanethidine

Gauanethidine

182 - Which of the following can be given safely to a patient of congestive heart failure________________?

A. Aspirin

B. Paracetamol

C. Diclofenac sodium

D. Ibuprofen

Paracetamol

183 - Which of the following cardiac depressants is contraindicated in a patient with cardiac arrhythmia____________?

A. Lidocaine

B. Quinidine

C. Phenytoin

D. Propranolol

Quinidine

184 - Which of the following combination of iron can be given both IM and IV____________?

A. Iron dextran

B. Iron Sorbitol Citrate Solution

C. ferrous Sulphate

D. ferrous Humourate

Iron dextran

185 - Which of the following drug induces parkinsonism ?

A. Chlorpheniramine

B. Chlorpromazine

C. Chloroquine

D. Chlorhexidine

Chlorpromazine

186 - Which of the following drug is used to counter act the gastric irritation produced by administration of NSAID_______________?

A. Roxatidine

B. Pirenzipine

C. Betaxolol

D. Misoprostol

Misoprostol

187 - Which of the following drugs can be given safely to a patient with renal disease ?

A. Phenacetin

B. Tetracycline

C. Aminoglycoside

D. Diazepam

Diazepam

188 - Which of the following drugs causes extra pyramidal symptoms_____________?

A. Antibiotics

B. Salicylates

C. Barbiturates

D. Phenothiazines

Phenothiazines

189 - Which of the following drugs is currently widely used in treating opioid dependent individuals?

A. codeine

B. Methadone

C. Alphaprodine

D. Pentazocine

Methadone

190 - Which of the following drugs is least efficacious in the treatment of cemporal lobe epilepsy ?

A. Phenobarbitone

B. Phenytoin sodium

C. Primidone

D. Carbamazepine

Primidone

191 - Which of the following drugs is not hypoglycemic?

A. Ethosuxinide

B. Tolbutamide

C. Glibenclamide

D. Gluengon

Glibenclamide

192 - Which of the following drugs is used therapeutically during allergic conditions ?

A. Epinephrine

B. Succinylcholine

C. Tetracycline

D. Sulfonamides

Epinephrine

193 - Which of the following drugs is used to treat both diabetes mellitus and diabetes insipidus_____________?

A. Chlorpropamide

B. Glibenclamide

C. Glicazide

D. Glipizide

Chlorpropamide

194 - Which of the following drugs undergoes “Hoffmann elimination" ?

A. d-tubecurarine

B. Acetycholine

C. Atracurium

D. Acetazolamide

Atracurium

195 - Which of the following general anesthetics is given by intravenous route ?

A. Propofol

B. Sevofluorane

C. Naloxane

D. Flumizenil

Propofol

196 - Which of the following is a muscle relaxant_________________?

A. Scoline

B. Pentazocine

C. Hyoscin

D. Phenylephrine

Pentazocine

197 - Which of the following is a non steroidal anti inflammatory agent with a tendency to produce blood dyscrasias ?

A. Ibuprofen

B. Indomethacin

C. Aspirin

D. B & C

B & C

198 - Which of the following is a nonsteroldad anti inflammatory agent with a tendency to produce blood dyscriasis ?

A. Indomathecin (indocin)

B. Ibuprofen (Motrin)

C. Ketoroloc

D. Aceteminophen

Indomathecin (indocin)

199 - Which of the following is a peripherally acting muscle relaxant______________?

A. Chlorozoxazone

B. Methocarbomol

C. Succinyl choline

D. Cortisopradol

Succinyl choline

200 - Which of the following is a protective drug in the management of gastric and duodenal ulcers ?

A. H2 antihistamines

B. NaHCO3

C. Famotidine

D. Carbenoxolone

Carbenoxolone

201 - Which of the following is a short acting barbiturate ?

A. Diazepam

B. Secobarbital

C. Pentobarbital

D. Phenobarbita

Secobarbital

202 - Which of the following is a vosoconstrictor______________?

A. Bupivacaine

B. Procaine

C. Lidocaine

D. None of the above

None of the above

203 - Which of the following is an ACE inhibitor ?

A. Saralosin

B. Diltiazem

C. Coptopril

D. Spirino lactone

Coptopril

204 - Which of the following is an irreversible side enact resulting from long term administration of phenothiazline antipsychotics__________________?

A. Infertility

B. Parkinsonism

C. Tardive dyskinesia

D. B & C

B & C

205 - Which of the following is antiasthmatic_____________?

A. Histamine

B. Salbutamol

C. Acetylcholine

D. Serotonin

Salbutamol

206 - Which of the following is not a contraindication in the therapy with opioids_____________?

A. Use in head injury patient

B. use in impaired pulmonary function

C. Use of agonist with mixed agonist-antagonist

D. Use in severe constant pain

Use in severe constant pain

207 - Which of the following is not an antimigraine agent ?

A. Flunarizine

B. Divalprox sodium

C. Zonisamide

D. Propanolol

Zonisamide

208 - Which of the following is NOT an important/frequent/well-known manifestation of an adverse drug reaction ?

A. Agranulocytosis

B. Aplastic anaemia

C. Aaemolysis

D. Leukaemia

Leukaemia

209 - Which of the following is not caused by Frusemide____________?

A. Hypokalemia

B. Hyperuricemia

C. Hypercalcemia

D. Hyponatremia

Hypercalcemia

210 - Which of the following is not true about ACE inhibitors ?

A. Used in asthma

B. Increase quality of life

C. Postural hypotension is seen

D. Na level decrease

Postural hypotension is seen

211 - Which of the following is true about parasympathetic nervous system ?

A. Ach is transmitter at both pre & post synaptic junction

B. It causes dilatation of skeletal muscles

C. Post ganglionic fibres are longer than pre ganglionic fibres

D. Noradrenalin is the neurotransmitter at post ganglionic junction

Ach is transmitter at both pre & post synaptic junction

212 - Which of the following opioids is not given intrathecally ?

A. Remifentanil

B. Morphine

C. Sufentanil

D. Fentanyl

Remifentanil

213 - Which of the following receptors is activated by acetylcholine and blocked by atropine______________?

A. Nicotinic

B. Muscarinic

C. Alpha 1 and 2

D. Beta 1 and 2

Muscarinic

214 - Which of the following statements is not correct regarding warfarin_____________?

A. Transient hypercoagulability is seen

B. Better avoided during pregnancy as it may causes skeletal deformity of the foetus

C. In a racemic mixture the R form is four times more active than the S form

D. The anticoagulant effect is seen only after 72 hours of administration

In a racemic mixture the R form is four times more active than the S form

215 - Which of the following statements regarding nitroglycerin is true ?

A. The effect is more pronounced in venous

B. High membrane penetrability

C. Poorly suited for oral administration

D. All of the above

All of the above

216 - Which of the following sympathominetic agents is the most bronchodilator_____________?

A. Amphetamine

B. Nor epinephrine

C. Isoproterenol

D. Phenylephrine

Isoproterenol

217 - Which of the following synthetic sterioid shows predominantly mineralocorticoid action ?

A. Hydrocortisone

B. Spironolactone

C. Dexamethsone

D. Fludrocortisone

Fludrocortisone

218 - Which one is not converted to an active metabolite ?

A. Quinapril

B. Fosinopril

C. Benzopril

D. Lisinopril

Lisinopril

219 - Which one of the anti hypertensives is contraindicated in pregnancy ?

A. Hydralazine

B. a-Methldopa

C. Nifedipine

D. Enlapril

Enlapril

220 - Which one of the following agents/ drugs is of no value in the post operative care of the hemophiliac patient ?

A. Tranexamic acid

B. Clopidogrel

C. Aminocarproic Acid

D. Factor VIII cryoprecipitate

Clopidogrel

221 - Which one of the following can be blocked by atropine ?

A. Decreased blood pleasure caused by hexamethonium

B. Increased blood pressure caused by nicotine

C. Tachycardia caused by exercise

D. Tachycardia caused by infusion of acetylcholine

Decreased blood pleasure caused by hexamethonium

222 - Which one of the following does NOT act by increasing insulin secretion______________?

A. Glyburide

B. Repaglinide

C. Tolbutamide

D. Biguanide

Biguanide

223 - Which one of the following drugs has been shown to offer protection from gastric aspiration syndrome in a patient with symptoms of reflex ?

A. Ondansetron

B. Metoclopramide

C. Sodium citrate

D. Atropine

Metoclopramide

224 - Which one of the following drugs is most commonly employed in an attack of angina pectoris ?

A. Sodium nitrate

B. Epinephrine

C. Nitroglycerina

D. Isosorbide dinitrate

Nitroglycerina

225 - Which one of the following drugs is not a non depolarizing competitive neuromuscular blocker ?

A. Doxacurim

B. Decamethonium

C. Rocuronium

D. Mivacurium

Decamethonium

226 - Which one of the following drugs is not a reversible anticholinesterase drug ?

A. Edrophonium

B. Demecarium

C. Carbaryl

D. Tacrine

Carbaryl

227 - Which one of the following drugs is not contraindicated in bronchial asthma ?

A. Morphine

B. Propanolol

C. Stropine

D. Nitroglycerine

Nitroglycerine

228 - Which one of the following is NOT an ergot alkaloids_____________?

A. Bromocriptine

B. Lysergic acid diethylamide (LSD)

C. Ketanserin

D. Methysergide

Ketanserin

229 - Which one of the following is Not true of angiotensin converting enzyme (ACE) inhibitor____________?

A. May cause hyperkalaemia in diabetic patients

B. Contraindicated in pregnancy

C. Contraindicated in diabetic nephropathy

D. NSAIDs may impair its hypotensive effect

Contraindicated in diabetic nephropathy

230 - Which one of the following muscle relaxant has the maximum duration of action ?

A. Atracurium

B. Vecuronium

C. Rocuronium

D. Doxacurium

Doxacurium

231 - Which one of the following NSAIDs has adverse effects on liver ?

A. Acetaminophen

B. Aspirin

C. Ibuprofen

D. Diclofenac Sodium

Acetaminophen

Pages

Subject Wise MCQs

Post Wise MCQs

Past Papers

Pages

Quick Access Resources

Drugs Most Important MCQs

1 - A 50 year old female with end stage renal disease (ESRD) develops pulmonary tuberculosis. Which one of the following drugs should be used in a reduced dose ?

2 - A common side effect associated with all NSAID drugs is_______________?

3 - A Hemophiliac patient has rheumatold arthritis. Which drug might be prescribed to relieve the pain ?

4 - A paralyzing dose of succinylcholine initially elicits______________?

5 - A patient is having bronchodilation, increased temperature, constipation and tachycardia. The tentative diagnosis is_______________?

6 - A patient on 300 mg of aspirin will show all the following except________________?

7 - A patient taking beta-blocker preoperatively, at induction of anaesthesia with fentanyl. Which muscle relaxant should be avoided ?

8 - A patient with grand mal epilepsy would likely be under treatment with_____________?

9 - A patient with grandmal epilepsy would likely be under treatment with_______________?

10 - A person with glaucoma should not receive________________?

11 - A young lady talking rifampicin and OCP together become pregnant, most probable cause is____________?

12 - About heparin true is_____________?

13 - Action of Nitroglycerin is______________?

14 - Activation of which of the following receptors would be expected to decrease anxiety_____________?

15 - Acute Barbiturate poisoning results in_______________?

16 - Adrenaline is used in following EXCEPT______________?

17 - Agents/Drugs which help in rapid coagulation of Blood_______________?

18 - All are symptoms of opiate withdrawls except______________?

19 - All are true about metformin except_____________?

20 - All are true about nitric oxide, EXCEPT____________?

21 - All are true of diazapenes except____________?

22 - All NSAIDs block cycloxygenase and____________?

23 - All of the following are endogenous corticosteriods released by all adrenal cortex EXCEPT______________?

24 - All of the following are predominant arteriolar dilators except____________?

25 - All of the following are true about tolbutamide except____________?

26 - All of the following decrease skeletal muscle tone by CNS effects except____________?

27 - All of the following drugs are useful in treatment of hypertension except______________?

28 - All of the following glucocorticorticoids can be given by inhalation EXCEPT_______________?

29 - All of the following have receptors which are transcription factors except____________?

30 - All of the following statements about opioids is correct except_____________?

31 - All of the following statements about pain are correct except_____________?

32 - All of the given drugs are positive inotropes EXCEPT_____________?

33 - All of the given drugs may be useful in acute exacerbation of bronchial asthma EXCEPT_____________?

34 - All the following about antiemetic drugs are correct except_______________?

35 - All the following drugs reduced the gastric acid secretion EXCEPT____________?

36 - Alpha blocker used as anti hypertensive agent_____________?

37 - Amitryptyline is a____________?

38 - Amyl nitrate is most commonly administered _________________?

39 - An antiepileptic drug used in petitmal epilepsy is______________?

40 - An anxiolytic, not interacting with GABA ergic system and used in generalized anxiety is______________?

41 - An attack of bronchial asthma is most likely to be triggered by________________?

42 - An attack of migraine can be easily terminated by___________?

43 - An oral hypoglycemic agent is______________?

44 - An untoward effect of that is common to all phenothiazines is______________?

45 - Antagonist of morphine is_______________?

46 - Aspirin acts on which part of brain ?

47 - Aspirin causes___________?

48 - Aspirin is avoided in children with influenza infection because of association______________?

49 - Aspirin is contraindicated in______________?

50 - Aspirin is contraindicated in_______________?

51 - Aspirin is used in treatment of Myocardial Infarction___________?

52 - Aspirin produces all of the following effects except_____________?

53 - Aspirine cause_____________?

54 - Aspirine is useful in all the following conditions EXCEPT_____________?

55 - Atropine is used in______________?

56 - Atypical Antipsychotic are all except______________?

57 - B- blocker with additional a-blocking property is____________?

58 - Benzodiazepine antagonist is________________?

59 - BEnzodiazepines are true in___________________?

60 - Best and most effective drug to control convulsions in toxicity cases is______________?

61 - Beta blockers are contraindicated in___________?

62 - Beta2 adrenergic receptor stimulating drugs are used in_______________?

63 - Birbiturates in pediatrics is_____________?

64 - Bleeding from the oral mucosa can be reduced by topical use of_______________?

65 - Blockers are used in all except_____________?

66 - Bradycardia is most commonly treated with which of the following drugs_____________?

67 - Bronchospasm can be precipitated by______________?

68 - Buprenorphine acts by following mechanism________________?

69 - Carbamazepine is a type of___________?

70 - Cloidogrel is an______________?

71 - Clotting time is most like to be prolonged by the administration of____________?

72 - Curare poisoning is characterised by________________?

73 - Delay in blood coagulation results from_____________?

74 - Diuretics cause loss of_______________?