Anatomy III/ Midterm III Past Paper Questions: Cranial Nerves Flashcards
Which nucleus sends parasympathetic fibres to the otic ganglion?
A) motor trigeminal nucl.
B) inf. salivatory nucl.
C) ambiguus nucl
inf. salivatory nucl.
Which of the following is the preganglionic nerve of the pterygopalatine ganglion?
A) chorda tympani
B) lesser petrosal nerve
C) greater petrosal nerve
greater petrosal nerve
The internal branch of the accessory nerve joins the…… nerve.
A) glossopharyngeal
B) femoral
C) vagus
vagus
The external branch of the accessory nerve innervates
A) sternocleidomastoid and trapezius
B) infrahyoid muscles
C) supraspinatus and infraspinatus
sternocleidomastoid and trapezius
What is the fiber composition of chorda tympani?
A) parasympathetic and branchiomotor
B) sympathetic and general somatosensory
C) parasympathetic and special viscerosensory
parasympathetic and special viscerosensory
Otic ganglion is
A) a sympathetic ganglion of facial nerve
B) a parasympathetic ganglion of glossopharyngeal nerve
C) sensory ganglion of vagus nerve
a parasympathetic ganglion of glossopharyngeal nerve
Which nerve gives the sensory innervation of the tympanic cavity?
A) tympanic nerve
B) lesser petrosal nerve
C) accessory nerve
tympanic nerve
(this seems too easy)
Where do the central axons of taste fibres of glossopharyngeal nerve terminate?
A) post. 1/3 of tongue
B) geniculate ganglion
C) solitary nucleus
solitary nucleus
(the peripheral fibers end in the posterior 1/3 of the tongue)
(also, the perikaryon is in the inferior ganglion of CN IX)
Which is the preganglionic nerve of the submandibular ganglion?
A) greater petrosal nerve
B) chorda tympani
C) tympanic nerve
chorda tympani
Where is the cell body of the secretomotor fibres innervating the lacrimal gland?
A) dorsal vagal nucleus
B) pterygopalatine ganglion
C) lateral horn of sacral spinal cord
pterygopalatine ganglion
Where is the cell body of the branchiomotor fibres innervating the laryngeal muscles?
A) ambiguus nucleus
B) solitary nucleus
C) submandibular ganglion
ambiguus nucleus
Where is the cell body of the taste fibres innervating the post. 1/3 of the tongue?
A) solitary nucleus
B) inf. ganglion of glossopharyngeal nerve
C) sup. salivatory nucleus
inf. ganglion of glossopharyngeal nerve
Which nerve innervates the tongue muscles?
A) glossopharyngeal
B) styloglossus
C) hypoglossal
hypoglossal
Which nerve innervates the stylopharyngeus muscle?
A) glossopharyngeal
B) styloglossus
C) hypoglossus
glossopharyngeal
(branchiomotor, 3rd arch derivative)
Which nerve innervates the facial expression muscles?
A) trigeminal
B) facial
C) glossopharyngeal
facial
(seriously? is this a real past paper question?)
Which nerve innervates the stylohyoid muscle?
A) trigeminal
B) facial
C) glossopharyngeal
facial
Where do the axons of the Edinger-Westphal nucleus terminate?
pterygopalatine ganglion
otic ganglion
ciliary ganglion
ciliary ganglion
Which ganglion of Cranial Nerve IX has multipolar neurons?
Otic Ganglion
(goes to parotid)
Which ganglion is in the fossula petrosa?
inferior ganglion of glossopharyngeal
which cranial nerve innervates the posterior belly of the digastric muscle?
facial
(anterior belly is the trigeminal, mandibular branch)
what is the branchiomotor nucleus of the recurrent laryngeal nerve?
nucleus ambiguus
Which nerve innervates the epiglottic valleculae?
Vagus, CN X
Which cranial nerve carries “guest fibers” from the spinal cord?
Hypoglossal
Which visceromotor nuclei can be found in the mesencephalon?
Accessory Oculomotor (Edinger-Westphal)