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)

Answer and Explanation

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

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Correct Answer is A

Explanation

A. Clustering nursing activities helps to minimize interruptions, allowing the patient to have longer periods of uninterrupted rest, which is essential for recovery and reducing sensory disturbances from sleep deprivation.

B. Silencing alarms could compromise patient safety and is not recommended.

C. Administering sedatives or opioids should be done cautiously and is not a first-line approach for promoting sleep, especially if non-pharmacological methods can be effective.

D. While reducing nighttime assessments may help with sleep, it is not always feasible and should be balanced with the need for monitoring the patient’s condition.

A. Obtain a stat chest x-ray to verify proper catheter placement. B. Zero reference and level the catheter at the phlebostatic-axis. C. Increase supplemental oxygen and notify respiratory therapy. D. Notify the provider immediately of the assessment findings.

Correct Answer is B

Explanation

A. Obtaining a stat chest x-ray is important if catheter misplacement is suspected, but in this situation, ensuring the accuracy of the pressure reading through proper leveling and zeroing is the priority.
B. Zero referencing and leveling the catheter at the phlebostatic axis is essential to ensure accurate readings of the pulmonary artery pressure, which is critical for patient assessment and management.
C. Increasing supplemental oxygen is unnecessary given the patient’s stable oxygen saturation and normal respiratory status.
D. While notifying the provider is important, ensuring the accuracy of the pressure reading by leveling and zeroing the catheter should be done first.

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Which laboratory test result will the nurse review to determine the effects of therapy for a patient being treated for heart failure?

Nursing Test Bank

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Explanation

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Explanation

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