Taste, Hearing, Balance (Lecture #17)

Question 1

which CN is responsible for taste on anterior 2/3 of tongue

Answer 1

VII

Question 2

which CN is responsible for taste on posterior 1/3 of tongue

Answer 2

IX

Question 3

which CN is responsible for taste on epiglottis and pharynx

Answer 3

X

Question 4

where do neurons that detect taste send their axons

Answer 4

nucleus solitarius

Question 5

which CN is responsible for hearing

Answer 5

VIII

Question 6

ampullae

Answer 6

receptors in semicircular canals that detect angular movement of head

Question 7

macula

Answer 7

receptors found in utricle and saccule that detect linear acceleration and head tilt

Question 8

where are cupula found

Answer 8

in ampulae

Question 9

vestibular ocular reflex

Answer 9

automatic change in eye position in response to head movement

Question 10

cranial nerves involved in vestibular ocular reflex

Answer 10

VIII, VI, III

Question 11

nuclei involved in auditory pathway

Answer 11

cochlear nuclei
inferior olivary nucleus
inferior colliculus
medial geniculate nucleus

Question 12

which motor pathway is activated by the vestibular system if you are knocked off balance

Answer 12

lateral vestibular pathway