Week 3 cranial nerves

Question 1

CN I

Answer 1

olfactory
smell

Question 2

CN II

Answer 2

optic
vision

Question 3

CN III

Answer 3

Oculomotor
elevates eyelid
turns eye up, down, in
constricts pupil
accommodates lens

Question 4

CN IV

Answer 4

Trochlear
turns the adducted eye down and inward rotation of eye

Question 5

CN V

Answer 5

trigeminal
sensation from face
sensation from cornea
sensation from anterior tongue
muscles of mastication

Question 6

CN VI

Answer 6

abducens
turns eye out

Question 7

CN VII

Answer 7

facial
taste from anterior tongue
muscles of facial expression
dampens sound
tears
salivation

Question 8

CN VIII

Answer 8

vestibulocochlear
balance and hearing

Question 9

CN IX

Answer 9

glossopharyngeal
taste from posterior tongue
sensation from posterior tongue
sensation from oropharynx
salivation

Question 10

CN X

Answer 10

vagus
thoracic and abdominal viscera
muscles of larynx and pharynx
decrease heart rate
increases GI mobility

Question 11

CN XI

Answer 11

spinal accessory
scm and traps

Question 12

CN XII

Answer 12

hypoglossal
tongue movements and shape

Question 13

Intrinsic feedback

Answer 13

from movement itself

Question 14

Augmented feedback

Answer 14

cues planned

Question 15

Anosmia

Answer 15

inability to detect smells
frontal lobe lesion

Question 16

Myopia

Answer 16

impaired far vison

Question 17

presbyopia

Answer 17

impaired near vision

Question 18

Horner syndrome

Answer 18

CN III paralysis

Question 19

Dysphonia

Answer 19

hoarse voice; denotes vocal cord weakness; nasal quality denotes palatal weakness

Question 20

Dysphagia

Answer 20

difficulty swallowing

Question 21

Dysarthria

Answer 21

difficulty articulating words clearly

Question 22

Atrophy

Answer 22

loss of muscle bulk