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:
May indicate disease of the cerebellum or brainstem.
is a sign that the patient is nervous about the examination
Indicates a visual problem, and a referral to an ophthalmologist is indicated.
is a normal occurrence
The Correct Answer is A
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is A
Explanation
A. The frontal lobe is responsible for a variety of functions, including personality, behavior, judgment, and emotional regulation. It also plays a key role in problem-solving and decision-making. Changes in these areas, such as the emotional instability (crying and anger) described in the question, are often linked to frontal lobe dysfunction.
B. The occipital lobe is primarily responsible for visual processing. Damage or issues in the occipital lobe typically affect vision, such as causing blindness or visual disturbances, rather than emotional or behavioral changes like those described in the scenario.
C. The temporal lobe is involved in processing auditory information, memory, and language. While damage to the temporal lobe can affect memory or speech, it is not primarily responsible for the emotional and personality changes described in the scenario. Temporal lobe damage is more commonly associated with memory loss or issues with speech.
D. The parietal lobe is responsible for sensory information and spatial awareness. While damage here can lead to problems with spatial orientation or sensation, it is not directly responsible for emotional regulation or changes in personality and behavior like those described in the question.
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