Anatomy Dr. San Phalnika Part 2
51. Where do the fibres synapse?
A. Lateral geniculate nucleus
B. Optic canal
C. Optic radiation pathway
D. Middle cranial fossa
52. Which of these muscles is not innervated by the occulomotor nerve?
A. Lateral rectus
B. Superior rectus
C. Inferior oblique
D. Medial rectus
53. The fibres from the internal carotid plexus are of which type?
A. Parasympathetic
B. Sympathetic
C. Somatic efferent
D. Somatic afferent
54. The occulomotor nerves exits the cranium through whihc structure?
A. Jugular foramen
B. Superior orbital fissure
C. Internal acoustic meatus
D. Foramen ovale
55. The superior branch of the occulomotor nerve supplies which muscles?
A. Superior oblique and medial rectus
B. Superior rectus and levator palpabrae superioris
C. Inferior rectus and medial rectus
D. Superior rectus and medial rectus
56. Occulomotor nerve palsy presents with which of the following appearances?
A. Pupil inferiorly and medially displaced
B. Pupil inferiorly and laterally displaced
C. Pupil superiorly and medially displaced
D. Pupil unaffected
57. What is the function of the trochlear nerve?
A. Somatic sensory
B. Somatic motor
C. Visceral sensory
D. Visceral motor
58. What is the only muscle innervated by the trochlear nerve?
A. Superior oblique
B. Inferior oblique
C. Superior rectus
D. Medial rectus
59. Through which structure does the trochlear nerve enter the orbit of the eye?
A. Optic canal
B. Superior orbital fissure
C. Inferior orbital fissure
D. Supraorbital foramen
60. In which direction does the superior oblique muscle permit movement of the eyeball?
A. Up and in
B. Down and out
C. Up and out
D. Down and in
61. The trigeminal nerve innervates structures from which pharyngeal arch?
A. 1st
B. 2nd
C. 3rd
D. 4th
62. Which branch of the trigeminal nerve carries motor fibres?
A. Opthalmic
B. Maxillary
C. Mandibular
D. All of the above
63. The maxillary nerve exits the cranium through which structure?
A. Foramen ovale
B. Foramen spinosum
C. Superior orbital fissure
D. Foramen rotundum
64. Which branch of the trigeminal nerve provides sensory innervation to the lower eyelid?
A. Opthalmic
B. Maxillary
C. Mandibular
D. Opthalmic and maxillary
65. The mandibular nerve does not innervate which of these structures?
A. External ear
B. Upper teeth
C. Lower teeth
D. Tongue
66. Which of the following may be affected by an inferior alveolar nerve block?
A. Sensation to the upper lip
B. Motor innervation to the muscles of mastication
C. Sensation in the anterior 2/3 of the tongue
D. Sensation to the external ear
67. Which of the following may be affected by an inferior alveolar nerve block?
A. Sensation to the upper lip
B. Motor innervation to the muscles of mastication
C. Sensation in the anterior 2/3 of the tongue
D. Sensation to the external ear
68. The branches of the ophthalmic nerve exit the cranium through which structure?
A. Superior orbital fissure
B. Inferior orbital fissure
C. Foramen ovale
D. Foramen rotundum
69. Which of the following is not a branch of the ophthalmic nerve?
A. Frontal
B. Nasociliary
C. Lacrimal
D. Maxillary
70. Which is the largest terminal branch of the ophthalmic nerve?
A. Frontal
B. Lacrimal
C. Nasociliary
D. Recurrent tentorial
71. Parasympathetic fibres hitchhike along which branch of the ophthalmic nerve?
A. Frontal
B. Nasociliary
C. Lacrimal
D. Long ciliary nerves
72. Which branch of the trigeminal nerve provides sensory innervation to the lower eyelid?
A. Ophthalmic
B. Maxillary
C. Mandibular
D. Ophthalmic and Maxillary
73. Which of the following would not test sensory innervation to the ophthalmic division of CNV?
A. Touching the cornea with a cotton swab
B. Touching the forehead with a pin
C. Touching the jaw with a cotton swab
D. Touching the bridge of the nose with a pain
74. Which foramen does the maxillary nerve pass through?
A. Superior orbital fissure
B. Maxillary foramen
C. Foramen ovale
D. Foramen rotundum
75. Which of these areas is not supplied by the maxillary nerve?
A. Upper eyelid
B. Upper lip
C. Cheeks
D. Maxillary sinus
76. Which of the following structures are innervated by parasympathetic fibres hitchhiking on the maxillary nerve?
A. Parotid gland
B. Lacrimal gland
C. Submandibular gland
D. Ciliary muscles
77. At which level of the brain is the sensory root formed?
A. Cerebrum
B. Midbrain
C. Pons
D. Cerebellum
78. The maxillary nerve innervates structures derived from which pharyngeal arch?
A. 1
B. 2
C. 3
D. 4
79. Which of the following is not a terminal branch of the maxillary nerve?
A. Middle meningeal nerve
B. Infraorbital nerve
C. Supraorbital nerve
D. Nasopalatine nerve
80. Through which foramen does the mandibular nerve leave the base of the skull?
A. Foramen spinosum
B. Foramen rotundum
C. Foramen ovale
D. Superior orbital fissure
81. Which branch of the mandibular nerve passes through the mandibular canal to eventually become the mental nerve?
A. Buccal branch
B. Inferior alveolar branch
C. Auriculotemporal branch
D. Lingual branch
82. Which of the following options best describes the role of the mandibular division in the head and neck?
A. Motor and sensory
B. Motor
C. Sensory and parasympathetic
D. Sensory
83. How many sensory nuclei does CNV have?
A. 1
B. 2
C. 3
D. 4
84. Which major nerve innervates the mylohyoid muscle?
A. Lingual branch
B. Auriculotemporal branch
C. Buccal branch
D. Inferior alveolar branch
85. Which nerve provides general sensory innervation to the anterior 2/3 of the tongue?
A. Buccal branch
B. Lingual branch
C. Inferior alveolar branch
D. Auriculotemporal branch
86. The mandibular nerve provides sensation to which of the following facial areas?
A. Nose
B. Chin
C. Eyelids
D. Eyebrows
87. Which of the following regions of the head does the mandibular nerve NOT provide sensation to?
A. Tongue
B. Lips
C. Ear
D. Nose
88. Which muscle does the abducens nerve innervate
A. Inferior rectus
B. Lateral rectus
C. Medial rectus
D. Superior rectus
89. What action does the lateral rectus muscle have on the eyeball?
A. Abduction
B. Elevation
C. Depression
D. Adduction
90. Patients suffering from damage to the abducens nerve will present with diplopia and the eyeball...
A. Laterally rotated
B. Elevated
C. Depressed
D. Medially rotated
91. Where is the abducens nucleus located?
A. Midbrain
B. Medulla
C. Inferior cerebellar peduncle
D. Pons of the brain
92. Through which structure does the abducens nerve enter the orbit of the eye?
A. Inferior orbital fissure
B. Superior orbital fissure
C. Optic canal
D. Supraorbital foramen
93. The internal acoustic meatus is part of which bone of the skull?
A. Sphenoi
B. Temporal
C. Parietal
D. Occipital
94. Which of the following is NOT an intracranial branch of the facial nerve?
A. Nerve to stapedius
B. Greater petrosal nerve
Tympani
D. Buccal nerve
95. At which point along the course of the facial nerve are the terminal motor branches released?
A. Within the facial canal
B. At the stylomoastoid foramen
C. At the geniculate ganglion
D. Within the parotid gland
96. Which of these structures is NOT innervated by the facial nerve?
A. Anterior belly of digastric
B. Posterior belly of digastri
C. Stylohyoid
D. Orbicularis oculi
97. Which branch of the facial nerve contributes to the submandibular ganglion?
A. Nerve to stapedius
B. The buccal branch
C. Chorda tympani
D. The zygomatic branch
98. The mentalis muscle is innervated by which motor branch of the facial nerve?
A. Buccal
B. Zygomatic
C. Temporal
D. Marginal mandibular
99. The function of chorda tympani is to provide taste sensation to the:
A. Anterior 2/3 of the tongue
B. Posterior 1/3 of the tongue
C. Anterior 1/3 of the tongue
D. Posterior 2/3 of the tongue
100. Through which structure does the vestibulocochlear nerve exit the cranium?
A. Hypoglossal canal
B. Foramen rotundum
C. Jugular foramen
D. Internal acoustic meatus
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