Cranial Nerve D

Question 1

Trigeminal N (CN __) is a 1st pharyngeal arch nerve with __ and ___ fibers

Answer 1

CN V
GSA
SVE

Question 2

4 nuclei if the trigeminal nerve

Answer 2

Main sensory nucleus
Spinal nucleus
Mesencephalic nucleus
Motor nucleus

Question 3

Main sensory nucleus is aka ___ nucleus because of its location in the pons

Answer 3

Pontine

Question 4

Pontine nucleus (aka main sensory) responsible for ___ discrimination as well as vibration and pressure

Answer 4

2 point discrimination

Question 5

Substance P is releases in the ___ nucleus

Answer 5

Spinal trigeminal

Question 6

Spinal trigeminal nucleus is respnonsible for light touch, ____ and temp

Answer 6

Pain

Question 7

Mesencephalic nucleus processes ___ and is comprised of ___ neuron cells

Answer 7

Proprioception

Unipolar

Question 8

Motor nucleus is always medial to ___ what sulcus

Answer 8

Sulcus limitans

Question 9

Each division of the trigeminal N supplies a distinct zone with how much overlap?

Answer 9

Little to none

Question 10

Ophthalmic nerve mediates the afferent limb of what reflex?

Answer 10

Corneal reflex

Question 11

The spinal trigeminal tract is analogous to the ____

Answer 11

Dorsolateral tract of Lissauer

Question 12

Unipolar sensory neurons of the ___ nucleus are 1st order sensory neurons

Answer 12

Mesencephalic

Question 13

TTT=

Answer 13

TrigeminoTalamic Tract

Question 14

Lesion of CN V will cause ___ of the muscles of mastication and ___, (partial deafness to low pitched sound) cased by paralysis of ___

Answer 14

Flaccid paralysis
Hypacusis
Tensor tympani

Question 15

Herpes zoster ophthalmicus virus persists in the ___ ganglion

Answer 15

Trigeminal ganglion

Question 16

Acoustic neurona affects CN ___ and then ___ and then ___

Answer 16

VIII
VII
V

Question 17

1st sx of acoustic neuroma is :

Answer 17

Tinnitus and then hearing loss