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Flashcards in Spinal 2 Exam 4 Wk 1 Deck (40):
1

Because of its function, the seventh cranial nerve is often called the....?

great motor nerve of the face

2

What classifications of fibers are conveyed at the apparent origin of the seventh cranial nerve?

branchial efferent, visceral efferent, somatic afferent, special visceral afferent

3

Most of the seventh cranial nerve will exit the skull via what opening?

the stylomastoid foramen

4

Into what region of the head will the stylomastoid foramen open?

the parotid region

5

Branchial efferent fibers carried in the seventh cranial nerve will innervate what muscles?

muscles of facial expression, muscles of the scalp and auricle, the buccinator, platysma, stapedius, stylohyoid, and posterior belly of the diagastic

6

Visceral efferent fibers conveyed in the seventh cranial nerve originate from which nucleus?

superior salivatory nucleus

7

Preganglionic visceral efferent fibers of cranial nerve VII will exit the pons in what nerve?

nervus intermedius, nerve of Wrisberg, sensory root of facial nerve

8

Which immediate branch of the seventh cranial nerve will convey preganglionic parasympathetic efferent fibers to the lacrimal gland?

greater petrosal or greater superficial petrosal nerve

9

which branch of the seventh cranial nerve will convey preganglionic parasympathetic fibers into the pterygopalatine ganglion?

vidian nerve or nerve of the pterygoid canal

10

What are the names of the ganglion of synapse in the efferent pathway to the lacrimal gland?

pterygopalatine ganglion, sphenopalatine ganglion, Meckel's ganglion

11

Postganglionic parasympathetic efferent fibers from the pterygopalatine, sphenopalatine, or Mecke's ganglion will become incorporated in which cranial nerve branch?

maxillary nerve of the trigeminal

12

Which branch of the zygomatic nerve will convey postganglionic parasympathetic efferent fibers to the lacrimal gland?

zygomatictemporal nerve

13

The zygomaticotemporal nerve will convey postganglionic parasympathetic efferent fibers to the lacrimal gland through a communication with which branch of the fifth cranial nerve?

ophthalmic nerve

14

Which immediate branch of the seventh cranial nerve will convey preganglionic parasympathetic efferent fibers to the submandibular and sublinguial glands?

chorda tympani nerve

15

The chorda tympani nerve exits the temporal bone via which opening?

the petrotympanic fissure of the temporal bone

16

The chorda tympani nerve will join which nerve?

the lingual nerve of the mandibular division of the trigeminal

17

Peripheral sensory processes from receptors around the ear and mastoid region are conveyed to the seventh cranial nerve from what other cranial nerve?

vagus n.

18

In general, somatic afferent pathways typically terminate on which nucleus?

spinal trigeminal nucleus

19

What is the classification of sensory fibers associated with taste?

special visceral afferent (SVA) fibers

20

Pseudounipolar neurons associated with taste sensation from the anterior 2/3 of the tongue wil synapse on secondary afferent neurons located in what nucleus?

gustatory nucleus of the nucleus solitarius

21

What fluid separates the membranous labyrinth from the bony labyrinth?

perilymph

22

In what elevations of each part of the vestibular apparatus will receptor cells be identified?

the macula of the saccule, the macula of the utricle, and the crista ampullaris of the ampullae of the semicircular ducts

23

What is unique to the receptor cells associated with equilibrium?

stereocilia and a single kinocilium

24

What is the location of the primary afferent neuron associated with equilibrium?

Scarpa's ganglion or the vestibular ganglion

25

Receptor cells associated with hearing are located in what structure?

the organ of Corti in the cochlear duct or scala media

26

What is the unique feature of receptor cells associated with hearing?

stereocilia

27

What is the location of the primary afferent neuron associated with hearing?

the spiral ganglion or cochlear ganglion

28

The ninth cranial nerve has an apparent origin from what part of the brain?

the medulla oblongata

29

What is the name of the branchial motor nucleus of the ninth cranial nerve?

nucleus ambiguus

30

Branchial efferent fibers conveyed in the ninth cranial nerve will innervate what target?

stylopharyngeus muscle

31

Preganglionic parasympathetic efferent fibers are observed in what primary branch of the ninth cranial nerve?

tympanic nerve or nerve of Jacobson

32

Within the temporal bone, preganglionic parasympathetic efferent fibers of the ninth cranial nerve will ultimately form what nerve?

the lesser (superficial) petrosal nerve

33

Preganglionic parasympathetic efferent fibers from the ninth cranial nerve will synapse in which ganglion?

otic ganglion or Arnold's ganglion

34

Postganglionic parasympathetic efferent fibers from the otic or Arnold's ganglion will communicate with what other cranial nerve branch?

the auriculotemporal branch of the mandibular division of the trigeminal

35

Peripheral afferent processes associated with receptors in the mastoid air cells, in the tympanic cavity or in the auditory tube arise from pseudounipolar neurons located in what ganglion of the ninth cranial nerve?

the superior glossopharyngeal ganglion or jugular ganglion

36

What is/are the target organ(s) monitoring blood pressure or blood physiology which are supplied by the ninth cranial nerve?

carotid body or carotid glomus and the carotid sinus

37

Ninth cranial nerve pseudounipolar neuron cell bodies monitoring general visceral sensation are located in which ganglion?

inferior glossopharyngeal ganglion or petrosal ganglion

38

Central sensory processes from ninth cranial nerve pseudounipolar neuron cell bodies monitoring general visceral sensation will synapse in what location of the brain?

cardiorespiratory nucleus of the nucleus solitarius

39

Peripheral sensory processes from the postsuical (posterior one third) tongue are conveyed in which cranial nerve?

the glossopharyngeal nerve

40

Ninth cranial nerve pseudounipolar sensory neuron cell bodies monitoring taster are located in which ganglion?

inferior glossopharyngeal ganglion or petrosal ganglion