Which laboratory test result will the nurse review to determine the effects of therapy for a patient being treated for heart failure?
Homocysteine
Low-density lipoprotein (LDL)
Troponin
B-type natriuretic peptide (BNP)
The Correct Answer is D
A. Homocysteine is a marker for cardiovascular risk but is not used to monitor heart failure therapy.
B. LDL levels are associated with cholesterol management and do not directly reflect heart failure treatment effectiveness.
C. Troponin is a marker of myocardial injury, not heart failure severity.
D. B-type natriuretic peptide (BNP) levels correlate with the severity of heart failure and are used to monitor the effectiveness of heart failure therapy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. An electrophysiology study assesses the electrical activity of the heart but does not evaluate heart function or chamber size.
B. A 12-lead electrocardiogram records the electrical activity of the heart but does not provide detailed information on heart function or chamber size.
C. Cardiac catheterization is an invasive procedure used to assess coronary artery disease and other structural heart conditions but is not the primary study for evaluating heart function and chamber size.
D. An echocardiogram is a non-invasive ultrasound that provides detailed images of the heart, including its function, chamber size, and valve function, making it the best choice for this purpose.
Correct Answer is A
Explanation
A. Thrombolytic therapy is the priority in managing an ST-elevated myocardial infarction (STEMI) when percutaneous coronary intervention (PCI) is not available. It helps dissolve the blood clot causing the blockage in the coronary artery.
B. Maintaining oxygen saturation is important, but the priority is to restore coronary blood flow.
C. The focus should be on stabilizing the heart rhythm, not specifically maintaining a high heart rate.
D. Diuretics are important in managing heart failure but are not the priority in acute STEMI management.
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