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 C

Explanation

A. Nicardipine is a calcium channel blocker used for blood pressure management, not for decreasing ICP.
B. Dopamine is used for shock or hypotension but does not address ICP.
C. Mannitol is an osmotic diuretic used to decrease ICP by drawing fluid out of the brain and reducing swelling.
D. Phenytoin is an anticonvulsant used to prevent seizures, but it does not directly affect ICP.

A. Encourage frequent ambulation B. Maintain foot in a dependent position. C. Apply warm, moist heat D. Wrap the foot snugly in the blanket

Correct Answer is C

Explanation

A. Ambulation may worsen the condition as it could increase swelling or spread infection.
B. This may increase swelling and should generally be avoided in cellulitis.
C. This helps to improve circulation and reduce swelling in cellulitis.
D. Wrapping the foot tightly could exacerbate swelling and discomfort.

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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

Naxlex Comprehensive Predictor Exams

A nurse admits a client who has a subarachnoid hemorrhage and increased intracranial pressure (ICP). Which of the following medications should the nurse expect to administer to decrease ICP?

Correct Answer is C

Explanation

The nurse will include which intervention for the patient newly admitted with cellulitis of the right foot?

Correct Answer is C

Explanation

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