A nurse is reviewing the medical records of a client who has heart failure. The nurse should identify which of the following laboratory results as an indication that the client has fluid volume excess.
Urine specific gravity 1.015
Hematocrit 42%
Urine pH 6.5
BUN 5 mg/dL
The Correct Answer is D
A. A urine specific gravity of 1.015 is within the normal range (1.005–1.030). While fluid volume excess may lead to a lower specific gravity due to urine dilution, this value does not indicate fluid overload and is considered normal.
B. A hematocrit level of 42% is within the normal range for adults (men: 38–50%, women: 35–45%). Hematocrit levels tend to decrease in fluid volume excess due to hemodilution, but this value does not suggest fluid overload.
C. A urine pH of 6.5 is within the normal range (4.5–8.0). Urine pH reflects the acid-base balance rather than fluid status and is not a reliable indicator of fluid volume excess.
D. A BUN level of 5 mg/dL is below the normal range (10–20 mg/dL). In fluid volume excess, the dilution of blood plasma can lead to decreased BUN levels. This low BUN value, in conjunction with clinical symptoms, supports the diagnosis of fluid volume excess.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"D","dropdown-group-2":"C"}
Explanation
Allergic reaction: The client is at risk of blood transfusion reaction as evidenced by an increase in respiratory rate to 22 and an increase in heart rate from 88 to 100.
Itching: itching is an immediate symptom of type 1 hypersensitivity reactions that are common with blood transfusion.
Correct Answer is B
Explanation
A) Autonomy refers to the right of the client to make their own decisions about their care. In this scenario, the nurse respects the client's decision not to take the pill as it is, but does not stop there.
B) Beneficence is the principle of doing good and acting in the best interest of the client. By offering to break the pill, the nurse is actively seeking a solution to ensure the client receives the necessary medication, which is in the client's best interest.
C) Justice relates to fairness and the equal distribution of resources. While important, it is not the primary principle being demonstrated in this situation.
D) Nonmaleficence means to do no harm. Although breaking the pill could be seen as avoiding harm by preventing the client from choking, it is more about ensuring the client's treatment continues effectively, which aligns more closely with beneficence.
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