Anatomy Dr. San Phalnika Part 3
101. Where are the cochlear hair cells located?
A. Utricule
B. Organ of Corti
C. Saccule
D. Semicircular canals
102. Which cranial nerve is the vestibulocochlear nerve?
A. IV
B. X
C. VIII
D. XIII
103. Which of these symptoms is not associated with vestibular nerve damage?
A. Vertigo
B. Hearing loss
C. Nystagmus
D. Nausea
104. Where do the vestibulocochlear nuclei originate?
A. Pons of the brain
B. Medulla
C. Inferior cerebellar peduncle
D. All of the above
105. Which of the following muscles is innervated by the glossopharyngeal nerve?
A. Stylohyoid
B. Sternohyoid
C. Stylopharyngeus
D. Omohyoid
106. From which aspect of the brain does the glossopharyngeal nerve arise?
A. Pons
B. Medulla
C. Midbrain
D. Cerebrum
107. Between which two structures does the glossopharyngeal nerve enter the pharynx?
A. Superior and middle constrictors
B. Inferior constrictor and cricopharyngeus
C. Middle and inferior constrictors
D. None of the above
108. Which part of the ear does the glossopharyngeal nerve innervate?
A. External aspect of tympanic membran
B. Internal aspect of the tympanic membrane
C. External ear
D. Inner ear
109. Which of these best describes the role of the glossopharyngeal nerve in the tongue?
A. Motor function
B. Taste to posterior 1/3 of the tongue
C. General sensation to posterior 1/3 of the tongue
D. Both taste and sensation to posterior 1/3 tongue
110. The vagus nerve is associated with the derivatives of which pharyngeal arch?
A. 1st
B. 2nd
C. 3rd
D. 4th
111. Which branch of the vagus nerve does not arise in the neck?
A. Pharyngeal branches
B. Auricular branch
C. Superior laryngeal nerve
D. Recurrent laryngeal nerve
112. If there was a lesion to the vagus nerve, what would be the average resting heart rate?
A. 100bpm
B. 60bpm
C. 40bpm
D. 150bpm
113. What is the main function of the recurrent laryngeal nerve?
A. Motor innervation to the intrinsic muscles of the larynx
B. Sensory innervation to the posterior part of the external auditory canal
C. Motor innervation to the muscles of the pharynx
D. Parasympathetic innervation to the heart
114. What are the functions of the vagus nerve?
A. Motor
B. Sensory
C. Parasympathetic
D. All of the above
115. Through which structures do the spinal accessory nerve enter and exit the cranium respectively?
A. Foramen magnum and foramen ovale
B. Foramen magnum and jugular foramen
C. Jugular foramen and foramen magnum
D. Foramen magnum and foramen spinosum
116. Along which structure does the spinal accessory nerve hitchhike to reach sternocleidomastoid?
A. Internal jugular vein
B. External jugular vein
C. Internal carotid artery
D. External carotid artery
117. Which of these structures are innervated by the accessory nerve?
A. Anterior belly of digastric
B. Cricopharyngeus
C. Latissimus dorsi
D. Trapezius
118. The spinal part of the accessory nerve arises from which spinal segments?
A. C2-C3
B. C1-C4
C. C1-C7
D. C1-C5/C6
119. What is the function of the hypoglossal nerve?
A. Somatic sensory
B. Visceral sensor
C. Visceral motor
D. Somatic motor
120. Fibres from which spinal nerve root/s accompany the hypoglossal nerve after exiting the cranial cavity?
A. C2
B. C2-C3
C. C1-C2
D. C4
121. What extrinsic tongue muscle is not innervated by the hypoglossal nerve?
A. Genioglossus
B. Hypoglossus
C. Palatoglossus
D. Styloglossus
122. Where are the nerve cell bodies located?
A. Medulla
B. Pons
C. Midbrain
D. Spinal cord
123. If the hypoglossal nerve is damaged, where will the tongue deviate when protruded?
A. Towards the damaged side
B. Away from the damaged side
C. Upwards
D. Downwards
124. At which vertebral level do the carotid arteries bifurcate?
A. C2
B. C3
C. C4
D. C5
125. Which of the following is not a branch of the internal carotid artery?
A. Anterior cerebral artery
B. Postreior communicating artery
C. Superior thyroid artery
D. Opthalmic artery
126. The vertebral arteries arise from which artery?
A. External carotid
B. Thyrocervical
C. Subclavian
D. Common carotid
127. The middle cerebral arteries supply which aspect of the brain?
A. Anteromedial
B. Lateral
C. Posterolateral
D. Inferior
128. Which structure is supplied by the meningeal branch of the vertebral arteries?
A. Spinal cord
B. Falx cerebelli
C. Cerebellum
D. Pons
129. Which of the following spaces do the cerebral veins run in?
A. Epidural space
B. Subdural space
C. Subarachnoid space
D. Intermeningeal space
130. The superior cerebral veins drain to which dural venous sinus?
A. Inferior sagittal
B. Superior sagittal
C. Transverse sagittal sinus
D. Sigmoid sinus
131. The vein of Labbé is another name for which vein?
A. Superior anastamotic vein
B. Inferior anastamotic vein
C. Superficial middle cerebral vein
D. Superior cerebral vein
132. The vein of Galen drains into which dural venous sinus?
A. Transverse
B. Sigmoid sinus
C. Straight sinus
D. Inferior sagittal sinus
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