A nurse observes a patient whose right eye is fixed and dilated, for which cranial nerve (CN) would the nurse suspect nerve compression?

CNV

CN VIII

CN IV

CN III

Answer and Explanation

The Correct Answer is D

A.   CN V (Trigeminal nerve) is responsible for sensation in the face and motor function for chewing, not eye movement or pupil constriction.
B.   CN VIII (Vestibulocochlear nerve) deals with hearing and balance, not eye function.
C.   CN IV (Trochlear nerve) controls eye movement, but it does not typically affect the pupil in this way.
D.   Cranial nerve III (Oculomotor nerve) controls most eye movements and pupil constriction. A fixed and dilated pupil typically indicates damage to CN III, which may be due to nerve compression, often from increased intracranial pressure or herniation.

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Correct Answer is A

Explanation

A. Left-sided strokes commonly affect language and speech functions due to damage in the language center, so communication goals should be prioritized.
B. Impulsive behavior is more commonly associated with right-sided strokes, not left-sided strokes.
C. Left-sided motor deficits are due to the right hemisphere being affected, not the left hemisphere.
D. Loss of depth perception is more often seen with right-sided strokes, affecting the right hemisphere.

A. Put all used cosmetics in a plastic bag for one week to kill any bacteria before reusing B. Disinfect contact lenses by soaking in a cleaning solution for 48 hrs. C. Discard all opened or used contact lenses and les care products D. Disinfect all lesions care products with prescribed antibiotic drops for one week post infection

Correct Answer is C

Explanation

A. Put all used cosmetics in a plastic bag for one week to kill any bacteria before reusing: This is not a recommended intervention. Disinfecting or discarding the cosmetics would be better.
B. Disinfect contact lenses by soaking in a cleaning solution for 48 hrs: Bacterial conjunctivitis requires the patient to discard lenses for proper infection control.
C. Discard all opened or used contact lenses and lens care products: Discarding contaminated lenses and care products prevents reinfection.

D. Disinfect all lens care products with prescribed antibiotic drops for one-week post infection: This is not recommended as a general practice; lenses and solutions should be discarded instead.

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A nurse observes a patient whose right eye is fixed and dilated, for which cranial nerve (CN) would the nurse suspect nerve compression?

Nursing Test Bank

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