1 - A motor unit is made up of______________?
1 - A motor unit is made up of______________?
A single motor neuron and all the muscle fibers it innervates
2 - Abduction of eyeballs is by the action of_______________?
2 - Abduction of eyeballs is by the action of_______________?
Lateral rectus, superior oblique and the inferior oblique
3 - Accessory meningeal artery enters cranial cavity through______________?
3 - Accessory meningeal artery enters cranial cavity through______________?
Foramen ovale
4 - Al are structures lying deep to the hyoglossus muscle except_______________?
4 - Al are structures lying deep to the hyoglossus muscle except_______________?
Hypoglossal nerve
5 - All are features of skeletal muscle except______________?
5 - All are features of skeletal muscle except______________?
Centrally placed nuclei
6 - All of the following are digastrics, except ?
6 - All of the following are digastrics, except ?
Sternocleidomastoid
7 - All of the following muscles are attached to oblique line of thyroid cartilage except_______________?
7 - All of the following muscles are attached to oblique line of thyroid cartilage except_______________?
Superior constrictor
8 - All of the following muscles are elevators of the mandible EXCEPT_______________?
8 - All of the following muscles are elevators of the mandible EXCEPT_______________?
Digastric
9 - All of the following muscles are grouped together as “muscles of mastication" except_______________?
9 - All of the following muscles are grouped together as “muscles of mastication" except_______________?
Buccinator
10 - All of the following muscles are supplied by accessory nerve except__________________?
10 - All of the following muscles are supplied by accessory nerve except__________________?
Stylopharyngeus
11 - All of the following muscles take their origin from the outer surface of the mandible EXCEPT______________?
11 - All of the following muscles take their origin from the outer surface of the mandible EXCEPT______________?
Platysma
12 - Among the muscles of TMJ the following muscle opposing stabilizing and antagonistic muscle force as far as the disc is concerned_____________?
12 - Among the muscles of TMJ the following muscle opposing stabilizing and antagonistic muscle force as far as the disc is concerned_____________?
Lateral pterygoid
13 - Anterior and posterior belly of digastric form an intermediate tendon that attaches to_______________?
13 - Anterior and posterior belly of digastric form an intermediate tendon that attaches to_______________?
Hyoid bone
14 - Calcium ions triggers muscle contraction by binding to ___________________?
14 - Calcium ions triggers muscle contraction by binding to ___________________?
Troponin
15 - Cardiac muscle contracts due to______________?
15 - Cardiac muscle contracts due to______________?
Extracellular Ca+2
16 - Contractile element in myofibril is_______________?
16 - Contractile element in myofibril is_______________?
Sarcomere
17 - Depression and Protrusion of the mandible_______________?
17 - Depression and Protrusion of the mandible_______________?
Lateral (EXTERNAL) Pterygoid muscle
18 - Electromyography is used for________________?
18 - Electromyography is used for________________?
To study muscle activity
19 - Facial muscles are derived from_________________?
19 - Facial muscles are derived from_________________?
2ndbranchial arch
20 - Floor of mouth is made by which muscle ___________________?
20 - Floor of mouth is made by which muscle ___________________?
Mylohyoid
21 - Genioglossus Muscle is attached in the posterior surface of symphysis menti in the________________?
21 - Genioglossus Muscle is attached in the posterior surface of symphysis menti in the________________?
Superior genial tubercle
22 - Hyperacusis is due to the damage to which of the following muscles ________________?
22 - Hyperacusis is due to the damage to which of the following muscles ________________?
Stapedius
23 - Hypolossal nerve is________________?
23 - Hypolossal nerve is________________?
Purely motor
24 - In an isotonic contraction of the muscle________________?
24 - In an isotonic contraction of the muscle________________?
The muscle moves a load through a distance
25 - In excitable cells, repolarization is closely associated with, one of the following events_______________?
25 - In excitable cells, repolarization is closely associated with, one of the following events_______________?
K efflux
26 - In facial palsy the muscle which is paralysed is_________________?
26 - In facial palsy the muscle which is paralysed is_________________?
Orbicularis oculi
27 - In myasthenia gravis_______________?
27 - In myasthenia gravis_______________?
Lack of acetyl choline receptors
28 - IN relation to the occlusal plane following muscles are in descending order _____________?
28 - IN relation to the occlusal plane following muscles are in descending order _____________?
Genioglossus, cculomoto, cculomot, anterior belly of digastric
29 - Increase in threshold level on applying subthreshold, slowly rising stimulus is known as ___________?
29 - Increase in threshold level on applying subthreshold, slowly rising stimulus is known as ___________?
Accommodation
30 - Ligamentum denticulaum is________________?
30 - Ligamentum denticulaum is________________?
Only a pair of pial extension
31 - Medial pterygoid muscle is attached to ________________?
31 - Medial pterygoid muscle is attached to ________________?
Medial surface of lateral pterygoid plate
32 - Middle constrictor of pharynx has attachment from________________?
32 - Middle constrictor of pharynx has attachment from________________?
Body of hyoid bone
33 - Muscle involved in the rotation and protrusion of the mandible_______________?
33 - Muscle involved in the rotation and protrusion of the mandible_______________?
Medial pterygoid
34 - Muscle of palate , which works around hamular notch and forms a tendon is____________?
34 - Muscle of palate , which works around hamular notch and forms a tendon is____________?
Tensor palatine
35 - Muscle originating from scaphoid fossa is _____________?
35 - Muscle originating from scaphoid fossa is _____________?
Tensor cculo
36 - Muscle that attaches to zygomatic process of maxilla______________?
36 - Muscle that attaches to zygomatic process of maxilla______________?
Masseter
37 - Muscles of mastication are supplied by_________________?
37 - Muscles of mastication are supplied by_________________?
Second part of maxillary artery
38 - Muscles spared by complete transaction of cranial part of accessory nerve_______________?
38 - Muscles spared by complete transaction of cranial part of accessory nerve_______________?
Stylopharyngeus
39 - Mylohyoid muscle________________?
39 - Mylohyoid muscle________________?
Elevates the hyoid
40 - Non true regarding Na/K pump is______________?
40 - Non true regarding Na/K pump is______________?
5 Na+ exchanged for 2K+
41 - Oral diaphragm is formed by_________________?
41 - Oral diaphragm is formed by_________________?
Mylohyoid muscle
42 - Passavent's muscle is formed by________________?
42 - Passavent's muscle is formed by________________?
Palatopharyngeus
43 - Posterior belly of digastric is attracted to__________________?
43 - Posterior belly of digastric is attracted to__________________?
Mastoid notch
44 - Potassium is maximum in_____________?
44 - Potassium is maximum in_____________?
Cell
45 - Retraction of mandible is achieved by_________________?
45 - Retraction of mandible is achieved by_________________?
Temporalis
46 - Rigor mortis results after death is due to________________?
46 - Rigor mortis results after death is due to________________?
Failure of ATP supply
47 - Skeletal muscles_____________?
47 - Skeletal muscles_____________?
Contraction is initiated by calcium binding to troponin
48 - Skeletal muscles______________?
48 - Skeletal muscles______________?
Contraction is initiated by calcium binding to troponin
49 - Small packets of acetylcholine released randomly from the nerve cell membrane at rest Produces_______________?
49 - Small packets of acetylcholine released randomly from the nerve cell membrane at rest Produces_______________?
Miniature end plate potential
50 - Stapedius muscle is supplied by _________ nerve ?
50 - Stapedius muscle is supplied by _________ nerve ?
Facial
51 - Sternocleidomastoid and trapezius are supplied by__________________?
51 - Sternocleidomastoid and trapezius are supplied by__________________?
Spinal accessory
52 - Succinyl choline acts to block neuromuscular transmission by_______________?
52 - Succinyl choline acts to block neuromuscular transmission by_______________?
Depolarizing the motor end plate of skeletal muscle
53 - Superior moment of eye ball is by _______________?
53 - Superior moment of eye ball is by _______________?
SR and 10
54 - Temporalis muscle is inserted into_______________?
54 - Temporalis muscle is inserted into_______________?
Levator palpebrae superioris
55 - Temporalis muscle is inserted into_________________?
55 - Temporalis muscle is inserted into_________________?
Coronioid process
56 - Temporalis muscle originates from________________?
56 - Temporalis muscle originates from________________?
side of the skull
57 - Tendon (or) ligament is attached to a bone through ____________?
57 - Tendon (or) ligament is attached to a bone through ____________?
Sharpey's fibers
58 - The absolute refractory period of an action potential is due to _______________?
58 - The absolute refractory period of an action potential is due to _______________?
Voltage inactivation of the Na+ channel
59 - The action of digastric muscle is__________________?
59 - The action of digastric muscle is__________________?
Depression of mandible
60 - The ansa cervicalis innervates which muscle_______________?
60 - The ansa cervicalis innervates which muscle_______________?
Sternothyroid
61 - The antagonistic muscle to superior rectus ______________?
61 - The antagonistic muscle to superior rectus ______________?
Inferior rectus
62 - The contractile element in a skeletal muscle is present in______________?
62 - The contractile element in a skeletal muscle is present in______________?
Myofibril
63 - The disc of the tempero mandibular joint moves forward principally by________________?
63 - The disc of the tempero mandibular joint moves forward principally by________________?
Lateral pterygoid muscle
64 - The end plate potential is characterized by_____________?
64 - The end plate potential is characterized by_____________?
Depolarization
65 - The following electrodes are used to detect the muscle activity without pain_________________?
65 - The following electrodes are used to detect the muscle activity without pain_________________?
Surface electrode
66 - The following ligaments are present in temporomandibulai joint except________________?
66 - The following ligaments are present in temporomandibulai joint except________________?
Alar liqament
67 - the infrahyoid muscles are innervated by the_______________?
67 - the infrahyoid muscles are innervated by the_______________?
Ansa cervicalis
68 - The lacrimal gland is located in a groove which is overlap by_______________?
68 - The lacrimal gland is located in a groove which is overlap by_______________?
Levator palpebrae superioris muscle
69 - The main types of muscle cells are______________?
69 - The main types of muscle cells are______________?
All of the above
70 - The neuromuscular transmitter released at neuromuscular junction is_______________?
70 - The neuromuscular transmitter released at neuromuscular junction is_______________?
Acetylcholine
71 - The number of muscle fibers in a motor unit are least in______________?
71 - The number of muscle fibers in a motor unit are least in______________?
Laryngeal muscles
72 - The occipital bone provides attachment to all except ________________?
72 - The occipital bone provides attachment to all except ________________?
Sternocleidomastoid
73 - The occulomotor nerve supplies all the muscles of eyeexcept________________?
73 - The occulomotor nerve supplies all the muscles of eyeexcept________________?
A & B
74 - The palatal muscle that ends in a tendon that hooks around the hamulus and is inserted in the palate is the_________________?
74 - The palatal muscle that ends in a tendon that hooks around the hamulus and is inserted in the palate is the_________________?
Tensor veli palatini
75 - The posterior bellies of digastric muscle are especially active during________________?
75 - The posterior bellies of digastric muscle are especially active during________________?
Swallowing and chewing
76 - The skeletal muscle action potential______________?
76 - The skeletal muscle action potential______________?
Spreads in ward to all parts of the muscle via the t- tubule system
77 - The study of the electrical activity of the muscle is_______________?
77 - The study of the electrical activity of the muscle is_______________?
EMG
78 - Two major types of muscle fibres are found in humans_____________?
78 - Two major types of muscle fibres are found in humans_____________?
White and red
79 - Upstroke of action potential would lead to________________?
79 - Upstroke of action potential would lead to________________?
Cell interior becomes less negative
80 - When the jaw is opened________________?
80 - When the jaw is opened________________?
Lateral pterygoids contract
81 - Which is caused by acetylcholine through nicotinic receptors_____________?
81 - Which is caused by acetylcholine through nicotinic receptors_____________?
Contraction of skeletal muscle
82 - Which is not anterior triangle of neck_______________?
82 - Which is not anterior triangle of neck_______________?
Subclavian
83 - Which muscle divides the neck into anterior and posterior triangles?
83 - Which muscle divides the neck into anterior and posterior triangles?
Sternomastoid
84 - Which muscles make up the pterygomandibular raphae______________?
84 - Which muscles make up the pterygomandibular raphae______________?
Buccinator anterior and superior constrictor
85 - Which of the following is / are fan shaped_______________?
85 - Which of the following is / are fan shaped_______________?
Both of the above
86 - Which of the following is correctly matched_______________?
86 - Which of the following is correctly matched_______________?
All the above
87 - Which of the following is not an intrinsic muscle of eye ?
87 - Which of the following is not an intrinsic muscle of eye ?
Levator palpebrae superioris
88 - Which of the following muscles elevates the mandible ?
88 - Which of the following muscles elevates the mandible ?
Temporalis
89 - which of the following muscles separates the carotid triangle from the digastric triangle ?
89 - which of the following muscles separates the carotid triangle from the digastric triangle ?
Posterior belly of the digastric
90 - Which one of the following is a regulatory protein of the muscle ?
90 - Which one of the following is a regulatory protein of the muscle ?
Troponin
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