MCQ 2

Question 1

Wchich gland is innervated by the cranial nerve 7 by the chorda tympani to lingual nerve??

a) Submandibular
b) Submandibular & lacrimal
c) Sublingual
d) Submandibular
e) Sublingual & lacrimal

Answer 1

a) Submandibular & sublingual

Question 2

55.
Which of the following nerve fibers ar NOT derivatives of the  facial nerve ( CN VII)?
a) Posterior auricular n.
b) Cervical branch
c) Marginal mandibular branch 
d) Buccal n
e) Zygomatick branch

Answer 2

d) Buccal n

Question 3

56.
Which of the following muscles does NOT insert the angle of the mouth ?
a) Orbicularis oris m.
b) Levator anguli oris m.
c) Zygomaticus minor m.
d) Zygomaticus major m.
e) Both answers C and D are correct.

Answer 3

a) Orbicularis oris m.

Question 4

58. Which muscle will not be affected when the mandibular division of the trigeminal nerve (V3) is anesthetized ?
    a) Anterior belly of digastric m.
    b) Buccinator m.
    c) Medial pterygoid.m.
    d) Mylohoid.m
    e) Temporalis m.

Answer 4

b) Buccinator m.

Question 5

59. What structure lies deepest in the parotid gland ?
    a) External carotid artery
    b) External jugular vein
    c) Facial artery
    d) Facial nerve
    e) Retromandibular vein.

Answer 5

d) Facial nerve.

Question 6

62. Which muscles work together with the tongue to keep food between the occlusal surfaces of the teeth during mastication ?
    a) Orbicularis oris and risorius.
    b) Orbicularis oris and depressor anguli oris
    c) Buccinator and risorius.
    d) Buccinator and orbicularis oris.
    e) Orbicularis oris and levator oris.

Answer 6

d) Buccinator and orbicularis oris.

Question 7

63. Orbicularis oculi is innervated by which bracshes of CN VII ? 1. Temporal 2. Zygomatic #. Buccal ¤. Marginal mandibular 5. Cervical.
    a) 1,2,3
    b) 2,4,5
    c) 3,4
    d) 1,2
    e) 2,3

Answer 7

d) 1,2

Question 8

64.
Through which opening does the CN VII leave the cranium ?
a) Foramen ovale
b) Foramen spinosum
c) Stylomastoid foramen
d) Superior orbital fissure
e) Inferior orbital fissure

Answer 8

c) Stylomastoid foramen

Question 9

65.
Mail action of levator veli palatini muscle ?
a) Elevates labial commissure
b) Depresses labial commissures
c) Elevates labial commisure and protrudes upper lip
d) Widens oral fissure and protrudes upper lip
e) None of the above

Answer 9

e) None of the above

Question 10

66.
What part of orbicularis oculi muscle keeps cornea from drying ?
a) Lacrimal part
b) Palpebral part 
c)Muscular part
d) Orbital part
e) A and B are correct

Answer 10

e) A and B are correct

Question 11

67.
Where do the chorda tympani join the lingual nerve ?
a) Temporal fossa
b) Parotid region
c) Within the palate bone
d) Infratemporal fossa

Answer 11

d) Infratemporal fossa

Question 12

68.
Most of the superficial arteries of the face are branches or derivatives of branches of ?
a) Internal carotid arterey
b) Maxillary arterey
c) Facial artery
d) None

Answer 12

a) Internal carotid arterey

Question 13

69. Lymph from upper lip and lateral parts of the lower lip drain into ?
    a) Parotid lymph nodes
    b) Submental lymph nodes
    c) Submental lymph nodes
    d) A and B are correct
    e) None are correct

Answer 13

b) Submental lymph nodes

Question 14

70.
Which has its source in the internal carotid artery ?
a) Transverse facjal artey
b) Mental artery
c) Supratrochlear artery
d) Posteriour auricular artery
e) Lateral nasal artery

Answer 14

c) Supratrochlear artery

Question 15

71. 
What is the common tendon for attachment of frontal and occipital bellies of the occipitofrontalis muscle called ?
a) Occipitofrontalis tendon
b) Cranial tendon
c) Supracranial aponeurosis
d) Superior sagittal aponeurosis
e) Epicranial aponeurosis

Answer 15

e) Epicranial aponeurosis

Question 16

72.
The retromandibular vein is formed by the union of?
a) Superficial temporal and maxillary veins
b)Common facial and maxillary veins
c) Maxillar and middle temporal veins
d) Facial and superficial temporal veins
e) None of the above

Answer 16

a) Superficial temporal and maxillary veins

Question 17

73.
What nerve(s) is/ar innervating anterior two thirds of tounge ?
a) Chorda tympani- branch of Cn VIII
b) Lingual nerve - branch of Cn V3
c) Chorda tympani - branch of CN VII
d) Inferior alveolar nerve - branch of CN V3
e) B and C are correct

Answer 17

e) B and C are correct

Question 18

74.
74.
What cranial fossa is related to, but not passed by Greater Petrosal nerve ?
a)Foramen Lacerum
b) Foramen Spinosum
c) Hiatus for greater Petrusal nerve
d) none

Answer 18

a)Foramen Lacerum

Question 19

75.
Which of these nerves does not innervate the auricle ?
a)Vagus nerve (CN X)
b) Lesser occipital nerve
c) Facial nerve (CN VII)
d) Trigeminal nerve  (CNV)
e) Vestibulaocochlerar nerve (CN VIII)

Answer 19

e) Vestibulaocochlerar nerve (CN VIII)

Question 20

76.
Carotid canal is the tympanic cavity's
a) Roof
b) Floor
c) Anterior wall
d) Posterior wall
d) Medial wall

Answer 20

c) Anterior wall

Question 21

77. What is NOT true about the palpebral part of the Orbicularis Oculi Muscle ?
    a) Innervated by branches of NC VII.
    b) Innervated by a branch of the nerve also supplyingthe muscle inhibiting self digestion in oral cavity.
    c) Serves to protect the eye
    d) Innervated by a nerve og the second brachial arch
    e) Is the muscle used when winking

Answer 21

c) Serves to protect the eye