pns 2_2

Question 1

The cochlear nerve arises from the ______________ ganglion.

Answer 1

spiral of Corti

Question 2

The hair cells of the organ of Corti are for (hearing/balancing) sense.

Answer 2

hearing

Question 3

The foraminous spiral tract becomes the _____________ root or nerve.

Answer 3

cochlear (Radix cochlearis)

Question 4

The cochlear nerve terminates in the ________ & _______ nucleuses.

Answer 4

anterior & posterior cochlear

Question 5

The nerve fibers from the basal cochlear convolution terminate in the _____ part of the posterior cochlear nucleus for the tonotopic organization.

Answer 5

medial

Question 6

The trapezoid body contains _____, ______ & _______ nuclei.

Answer 6

posterior nucleus of superior olive, medial nucleus of superior olive & anterior nucleus of trapezoid body

Question 7

Name the connection between the dorsal cochlear nucleus to opposite side of the lateral lemniscus.

Answer 7

Posterior acoustic (medullary) striae

Question 8

The Probst’s commisure connects the right & left ________.

Answer 8

lateral lemniscus

Question 9

The peduncle of the inferior colliculi connects from _____ to _____for sound information.

Answer 9

inferior colliculus to medial geniculate body

Question 10

The right & left medial geniculate bodies are inter-connected by the __________.

Answer 10

Gudden’s commissure

Question 11

Name five commisures connecting the cochlear tract in the central nervous system.

Answer 11

Trapezoid, Posterior acoustic striae, Probst commisure, Commisure of inferior Colliculi, Guddens Commisure

Question 12

The auditory cortex is located in the __________ gyrus.

Answer 12

superior temporal

Question 13

The vestibular nerve originated from the ____ ganglion in the _______.

Answer 13

vestibular ganglion in the external acoustic meatus

Question 14

The superior part of the vestibular ganglion receives nerves from the ___, ___, ____ & ___.

Answer 14

anterior ampullary nerve, lateral ampullary nerve, utricular nerve, and part of the sacular nerve

Question 15

Name the first nucleus where the vestibular nerve enters centrally.

Answer 15

Deiter’s nucleus (lateral vestibular)

Question 16

Name the four vestibular nuclei in the caudal pons.

Answer 16

Dieter’s nucleus (Lateral vestibular), Bechterew’s nucleus (Superior vestibular), Schwalbe’s nucleus (Medial vestibular), Inferior vestibular nucleus

Question 17

The vestibular nuclei connect to the ____, ____, & _____ of the cerebellum.

Answer 17

nodulus, flocculus, and uvula

Question 18

Name the tract which originates from the lateral vestibular nucleus to the sacral spinal cord for antigravity reflexes.

Answer 18

Vestibulospinal tract from Deiter’s nucleus

Question 19

Name the nucleus for the taste sense of the glossopharyngeal nerve.

Answer 19

Tactus solitarius

Question 20

Name the nucleus of the general sense of the glossopharyngeal nerve.

Answer 20

Spinal nucleus of trigeminal

Question 21

Name the motor nucleus of the glossopharyngeal nerve for the stylopharyngeus.

Answer 21

Nucleus ambiguus

Question 22

The parasympathetic fivers in the glossopharyngeal nerve are originated from the ___ nucleus.

Answer 22

Inferior salivatory

Question 23

Name the nucleus, which sends the efferent fibers to the parotid gland.

Answer 23

Inferior salivatory nucleus

Question 24

Name the nerves, which convey the visceral efferent fibers from the inferior salivatory nucleus to the parotid gland in sequence.

Answer 24

1. Inferior salivatory nucleus 2. Tympanic Plexus 3. Tympanic Nerve 4. Lesser Petrosal Nerve 5. Otic Ganglion 6. Auriculotemporal Nerve 7. Parotid Gland

Question 25

The glossopharyngeal nerve leaves the cranial cavity through ________________.

Answer 25

jugular foramen

Question 26

The superior ganglion of the glossopharyngeal nerve gives off branches to the pharynx. True/false

Answer 26

False - no branches

Question 27

The auricular nerve of the vagus communicates with the ______ of the glossopharyngeal nerve.

Answer 27

inferior ganglion

Question 28

Name the nerve, which perforates the posterior belly of the digastric to communicate with the trunk of the glossopharyngeal nerve.

Answer 28

Facial nerve

Question 29

Name the nerve, which arise from the inferior ganglion of the glossopharyngeal nerve & ascends through the inferior tympanic canaliculi.

Answer 29

Tympanic nerve of glossopharyngeal

Question 30

Name the nerves, which form the tympanic plexus

Answer 30

Lesser petrosal nerve, Caroticotympanic (sympathetic) nerve, Tympanic nerve of glossopharyngeal (general sensory & parasympathetic)

Question 31

Name the nerve, which passes the foramen ovale or the canaliculi innominatus to join the otic ganglion.

Answer 31

Lesser petrosal nerve

Question 32

Name the nerve, which innervates the carotid sinus.

Answer 32

Carotid nerve of glossopharyngeal

Question 33

Name the nerves, which form the pharyngeal plexus.

Answer 33

Pharyngeal nerve of glossopharyngeal, Laryngeal Nerve of Vagus, Laryngopharyngeal nerve of Sympathetic trunk

Question 34

Name the nerve, which innervates the stylopharyngeus muscle.

Answer 34

Stylopharyngeal nerve of glossopharyngeal

Question 35

Name the nerve that innervates the postsulcal part of the tongue for the taste & general sense.

Answer 35

Lingual nerve of glossopharyngeal

Question 36

Name the nerve, which innervates the vallate papillae

Answer 36

Lingual nerve of glossopharyngeal

Question 37

The otic ganglion is functionally connected to the _____________.

Answer 37

glossopharyngeal nerve

Question 38

The sympathetic root of the otic ganglion is derived from the ____________.

Answer 38

middle meningeal plexus