AAO: Exam 1 Questions with Detailed Verified Answers

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AAO: Exam 1 Questions with
Detailed Verified Answers
Cranial Nerve I Ans: Olfactory

Type: Sensory

Function: Smell

Test: Smell something strong

Cranial Nerve II Ans: Optic

Type: Sensory

Function: Sight

Test: Read close and at a distance

Cranial Nerve III Ans: Occulomotor

Type: Motor

Function: Muscles in eyelids, pupillary response

Test: Open eyelids, shine light in pupils

Cranial Nerve IV Ans: Trochlear

Type: Motor

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Function: Adducts eyes

Test: Cross eyes, or read book, look side to side

Cranial Nerve V Ans: Trigeminal

Type: Both

Function: S: facial sensation, M: chew/taste

Test: S: lightly touch face, M: chew with slight resistance

Cranial Nerve VI Ans: Abducens

Type: Motor

Function: Moves eyes laterally

Test: Look side to side

Cranial Nerve VII Ans: Facial

Type: Both

Function: Facial expression and taste

Test: S: sugar/salt , M: smile/expressions

Cranial Nerve VIII Ans: Vestibulocochlear

Type: Sensory

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Function: Hearing/balance

Test: S: make noise near ear, M: balance exercise (straight line),
vertigo

Cranial Nerve IX Ans: Glossopharyngeal

Type: Both

Function: S: taste, M: swallow

Test: S: gag reflex, M: swallow

Cranial Nerve X Ans: Vagus

Type: Both

Function: S: parasympathetic, M: speech, swallow

Test: Speech test (hoarseness/ say "ah")

Cranial Nerve XI Ans: Accessory

Type: Motor

Function: Sternocleidomastoid, trapezius

Test: Raise shoudlers

Cranial Nerve XII Ans: Hypoglossal

Type: Motor