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. A warm, moist compress helps alleviate discomfort associated with a stye or hordeolum.
B. NSAID eye drops may not be appropriate for treating local swelling or infection.
C. Washing the eye can help with hygiene but is not the primary intervention for a stye.
D. Artificial tears can provide relief for dry eyes but do not address the infection or swelling caused by a stye.

A. Dim lighting installed throughout the house. B. The hot water heater is set at 54°C (130° F). C. Medications are stored in a clear bag. D. Grab bars are installed in the bathroom. E. Area rugs are placed in the living room.

Correct Answer is ["A","B","E"]

Explanation

A. Dim lighting installed throughout the house: Poor lighting increases the risk of falls and accidents, especially after a stroke.

B. The hot water heater is set at 54°C (130° F): Hot water set at this temperature can lead to burns, posing a safety hazard.
C. Medications are stored in a clear bag: This is not a safety hazard; however, medications should be stored properly and organized for easy access.
D. Grab bars are installed in the bathroom: This is a safety feature that helps prevent falls and should be encouraged.
E. Area rugs are placed in the living room: Rugs can pose a tripping hazard, especially for stroke patients who may have mobility issues.

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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?

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