verified questions and answers Modules 3 and 4
2026\2027 A+ Grade
Cranial Nerve I (one)
- correct answer Olfactory
Sense of smell
Sensory
Test for odor identification (rule out nasal obstruction)
Cranial Nerve II (two)
- correct answer Optic
Sensory and visual acuity
Test for visual acuity
Test visual fields
Perform ophthalmologic exam
Cranial Nerve III (three)
- correct answer Oculomotor
Motor
Evaluated with IV and VI
Eye movement, pupil size, eyelid opening
Inspect eyelid for drooping
Inspect pupil size and equality
Test consensual response and accommodation
Test extra-ocular eye movement
So tested thru PERLA and six cardinal fields
,Eyelid dooping/palsy is cranial nerve III
Cranial Nerve IV (four)
- correct answer Trochlear
Motor
Evaluated with III and VI
Eye movement, pupil size, eyelid opening
Inspect eyelid for drooping
Inspect pupil size and equality
Test consensual response and accommodation
Test extra-ocular eye movement
So tested thru PERLA and six cardinal fields
Cranial Nerve V (five)
- correct answer Trigeminal
Mixed (both sensory and motor)
Jaw strength, ask to clench teeth
Inspect face for atrophy or tremors
Palpate jaw for tone and strength
Test for pain and sensation
Test corneal reflex
Cranial Nerve VI (six)
- correct answer Abducens
Motor
Evaluated with III and IV
Eye movement, pupil size, eyelid opening
Inspect eyelid for drooping
Inspect pupil size and equality
Test consensual response and accommodation
, Test extra-ocular eye movement
So tested thru PERLA and six cardinal fields
Cranial Nerve VII (seven)
- correct answer Facial
Mixed (both sensory and motor)
Facial expressions and taste
Inspect facial symmetry
Test tongue for salt and sweet
Assess smile, frown, puff out cheeks
Cranial Nerve VIII (eight)
- correct answer Acoustic
Sensory
Hearing and balance
Test hearing (whisper test)
Compare bone and air conduction
Test for sound lateralization
Cranial Nerve IX (nine)
- correct answer Glossopharyngeal
Mixed (both sensory and motor)
Taste and swallowing
Test tongue for sour and bitter
Test gag reflex and swallowing
Cranial Nerve X (ten)
- correct answer Vagus
Mixed (both sensory and motor)
Swallowing and speech