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A. The cranial nerve responsible for sense of smell is tested by:
A. Light touch on face
B. Identifying familiar odors
C. Pupil reaction
D. Hearing whispered voice
Correct Answer: B
Rationale: Cranial Nerve I (Olfactory) is tested using familiar smells.
A. The optic nerve (CN II) is assessed using:
A. Smell identification
B. Visual acuity and visual field testing
C. Shoulder shrug
D. Tongue movement
Correct Answer: B
Rationale: CN II controls vision, tested through acuity and visual fields.
A. The confrontation test evaluates:
A. Hearing ability
B. Peripheral vision
C. Smell perception
D. Balance only
Correct Answer: B
Rationale: It is a gross test of peripheral vision.
A. Normal temporal visual field in confrontation testing is approximately:
A. 30 degrees
B. 60 degrees
,C. 90 degrees
D. 120 degrees
Correct Answer: C
Rationale: Temporal field is widest at about 90 degrees.
A. PERRLA stands for:
A. Pupils equal, round, reactive to light and accommodation
B. Peripheral eye reflex and retinal light response analysis
C. Pupils equal, reactive, responsive, light adjustment
D. Posterior eye response reflex and lens adjustment
Correct Answer: A
Rationale: It describes normal pupil function.
A. The six cardinal positions of gaze assess:
A. CN I function
B. CN III, IV, VI function
C. CN V function
D. CN VIII function
Correct Answer: B
Rationale: These cranial nerves control eye movement.
A. Nystagmus refers to:
A. Pupil dilation
B. Eye muscle weakness
C. Involuntary rhythmic eye movement
D. Loss of vision
Correct Answer: C
Rationale: It is involuntary oscillation of the eyes.
A. Trigeminal nerve (CN V) motor function is tested by:
A. Smiling
B. Clenching teeth
,C. Tongue movement
D. Hearing test
Correct Answer: B
Rationale: Masseter muscle strength is assessed.
A. Corneal reflex involves:
A. CN II and CN III
B. CN V sensory and CN VII motor
C. CN IX and CN X
D. CN I and CN II
Correct Answer: B
Rationale: CN V senses touch; CN VII triggers blink.
A. Facial nerve (CN VII) motor function is tested by:
A. Shoulder shrug
B. Smiling and frowning
C. Smelling odors
D. Hearing whispers
Correct Answer: B
Rationale: It controls facial expressions.
A. Vestibulocochlear nerve (CN VIII) is tested using:
A. Vision test
B. Whispered voice test
C. Smell test
D. Reflex hammer
Correct Answer: B
Rationale: It assesses hearing and balance.
A. Glossopharyngeal and vagus nerves are tested by:
A. Saying “ahh” and gag reflex
B. Smiling
, C. Shoulder shrug
D. Eye tracking
Correct Answer: A
Rationale: Uvula movement and gag reflex assess CN IX and X.
A. Accessory nerve (CN XI) is tested by:
A. Tongue protrusion
B. Shoulder shrug
C. Smelling odor
D. Pupillary response
Correct Answer: B
Rationale: It controls sternocleidomastoid and trapezius.
A. Hypoglossal nerve (CN XII) is tested by:
A. Saying “light, tight, dynamite”
B. Smelling coffee
C. Closing eyes
D. Hearing whispers
Correct Answer: A
Rationale: It evaluates tongue movement.
A. Screening neurological exam is used for:
A. Healthy individuals
B. Only brain injury patients
C. Only ICU patients
D. Only children
Correct Answer: A
Rationale: It is used for asymptomatic individuals.
A. Complete neurological exam is used for:
A. No symptoms
B. Neurological concerns