A nurse is caring for a client who has HIV.
Which of the following laboratory values is the nurse’s priority?

CD4-T-cell count 180 cells/mm³.

Positive Western blot test.

Platelets 150,000/mm³.

WBC 5,000/mm³.

Answer and Explanation

The Correct Answer is A

Choice A rationale

A CD4-T-cell count of 180 cells/mm³ indicates severe immunosuppression in a client with HIV, making them highly susceptible to opportunistic infections. This is a critical value that requires immediate attention to prevent life-threatening complications.

Choice B rationale

A positive Western blot test confirms the presence of HIV antibodies but does not indicate the current immune status or the urgency of the client’s condition.

Choice C rationale

Platelets at 150,000/mm³ are within the normal range and do not indicate an immediate threat to the client’s health.

Choice D rationale

A WBC count of 5,000/mm³ is within the normal range and does not indicate an immediate threat to the client’s health.

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Correct Answer is A

Explanation

Choice A rationale

Cataracts cause the lens of the eye to become cloudy, leading to a decreased ability to perceive colors. This is due to the scattering of light as it passes through the cloudy lens, which reduces the clarity and vibrancy of colors.

Choice B rationale

Loss of peripheral vision is more commonly associated with glaucoma, a condition where increased intraocular pressure damages the optic nerve.

Choice C rationale

Seeing bright flashes of light and floaters is typically a symptom of retinal detachment, a serious condition where the retina pulls away from its normal position.

Choice D rationale

Loss of central vision is often linked to macular degeneration, a condition that affects the central part of the retina responsible for sharp, detailed vision.

A. Sound is lateralizing to the right ear. B. Sound is lateralizing to the left ear. C. Air conduction is greater than bone conduction in the left ear. D. Air conduction is less than bone conduction in the left ear.

Correct Answer is D

Explanation

Choice A rationale

Sound lateralizing to the right ear during the Rinne test does not indicate conductive hearing loss in the left ear. This result suggests that the right ear may have better hearing or that there is an issue with the left ear, but it does not specifically diagnose conductive hearing loss.

Choice B rationale

Sound lateralizing to the left ear during the Rinne test indicates that the left ear is perceiving the sound better, which could be due to conductive hearing loss in the left ear. However, this option does not provide a definitive result for conductive hearing loss.

Choice C rationale

Air conduction being greater than bone conduction in the left ear is a normal finding and does not indicate conductive hearing loss. In conductive hearing loss, bone conduction is typically better than air conduction.

Choice D rationale

Air conduction being less than bone conduction in the left ear is indicative of conductive hearing loss. This result means that the sound is being conducted through the bones of the skull more effectively than through the air, which is a hallmark of conductive hearing loss.

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A nurse is caring for a client who has HIV. Which of the following laboratory values is the nurse’s priority?

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Naxlex Comprehensive Predictor Exams

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Explanation

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Correct Answer is D

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A nurse is caring for a client who has HIV.
Which of the following laboratory values is the nurse’s priority?