A client is seen in the emergency department with a heart failure exacerbation due to noncompliance with medications and fluid restrictions. Which key diagnostic result should the nurse assess to determine the severity of the client's heart failure exacerbation?
Blood urea nitrogen (BUN)
Troponin
B-type natriuretic peptide (BNP)
Electrocardiogram
The Correct Answer is C
A. Elevated BUN can indicate kidney dysfunction but is not specific for assessing heart failure severity.
B. Elevated troponin levels indicate myocardial injury or infarction, not heart failure exacerbation.
C. B-type natriuretic peptide (BNP) levels are directly correlated with the severity of heart failure, as they are released in response to ventricular volume expansion and pressure overload.
D. An electrocardiogram (ECG) can show arrhythmias or ischemia but does not directly measure heart failure severity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Plasmapheresis in TTP aims to remove abnormal blood components, not ADAMTS-13. In fact, plasmapheresis helps replenish ADAMTS-13.
B. The primary goal of plasmapheresis in TTP is to remove large von Willebrand factor molecules that are causing platelet aggregation and clot formation.
C. Removing macrophages from the spleen is not the objective of plasmapheresis.
D. Plasmapheresis is usually performed daily until clinical and laboratory parameters improve, not just once a week.
Correct Answer is D
Explanation
A. Alopecia is a common side effect of chemotherapy but does not necessitate immediate hospital visit.
B. Loperamide is used to treat diarrhea, not nausea. Antiemetics are used for chemotherapy-induced nausea.
C. Desquamation is not a typical side effect of daunorubicin; skin assessment is not the primary concern.
D. Daunorubicin can cause cardiotoxicity; therefore, reviewing the client's most recent echocardiogram is essential to assess cardiac function before administration.
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