During an assessment of the CNs, the nurse finds the following: asymmetry when the patient smiles or frowns, uneven lifting of the eyebrows, sagging of the lower eyelids, and escape of air when the nurse presses against the right puffed cheek. This would indicate dysfunction of which of these CNs?

Motor component of CN IV

Motor component of CN VI

Motor and sensory components of CNX

Motor component of CN VII

Answer and Explanation

The Correct Answer is D

A.   The trochlear nerve controls the superior oblique muscle of the eye and is not related to facial movements.
B.   The abducens nerve controls the lateral rectus muscle of the eye, responsible for eye movement, not facial muscles.
C.   The vagus nerve affects the soft palate, pharynx, and larynx, but does not contribute to facial expression.
D.   Asymmetry in facial movements, like smiling, frowning, and puffing the cheeks, suggests dysfunction of the facial nerve (CN VII).

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Correct Answer is A

Explanation

A. The ballottement test involves pressing on the knee joint to check for the presence of fluid, which can indicate joint effusion.
B. The McMurray test is used to assess for meniscal tears, not for fluid around the patella.
C. The Tinel sign is used to assess for nerve compression, not fluid accumulation.
D. The Phalen test is used to diagnose carpal tunnel syndrome, not to assess for joint effusion.

A. May indicate disease of the cerebellum or brainstem. B. is a sign that the patient is nervous about the examination C. Indicates a visual problem, and a referral to an ophthalmologist is indicated. D. is a normal occurrence

Correct Answer is A

Explanation

A. Severe nystagmus is often associated with neurological disorders, particularly those affecting the cerebellum or brainstem.
B. is a sign that the patient is nervous about the examination. Nervousness typically doesn’t cause severe, persistent nystagmus.
C. Indicates a visual problem, and a referral to an ophthalmologist is indicated. While nystagmus affects vision, it is usually neurologically based, requiring a neurological assessment rather than a referral to an ophthalmologist.
D. Nystagmus is not typically normal, especially when it is severe and persistent. It warrants further investigation.

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During an assessment of the CNs, the nurse finds the following: asymmetry when the patient smiles or frowns, uneven lifting of the eyebrows, sagging of the lower eyelids, and escape of air when the nurse presses against the right puffed cheek. This would indicate dysfunction of which of these CNs?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse should use which test to check for large amounts of fluid around the patella?

Correct Answer is A

Explanation

During an examination, the nurse notices severe nystagmus in both eyes of a patient. Which conclusion by the nurse is correct? Severe nystagmus in both eyes:

Correct Answer is A

Explanation

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