BNP testing helps differentiate heart failure from other causes of dyspnea.

Prepare for the NCLEX Cardiovascular System Test! Access multiple choice questions with explanations and hints. Study effectively to ensure success on your exam day.

Multiple Choice

BNP testing helps differentiate heart failure from other causes of dyspnea.

Explanation:
BNP rises when the ventricles are stretched, as happens with volume overload in heart failure. In a patient with dyspnea, a higher BNP level supports heart failure as the cause rather than a primary lung or other noncardiac problem, making it a useful differentiator. Troponin indicates myocardial injury, not the cause of dyspnea itself. CRP is a marker of inflammation, and D-dimer points to clotting issues like pulmonary embolism. So, BNP elevation directly points to heart failure as the reason for dyspnea, which is why it’s the best answer. Keep in mind that BNP can be affected by factors like renal function or obesity, so it’s interpreted in the clinical context.

BNP rises when the ventricles are stretched, as happens with volume overload in heart failure. In a patient with dyspnea, a higher BNP level supports heart failure as the cause rather than a primary lung or other noncardiac problem, making it a useful differentiator. Troponin indicates myocardial injury, not the cause of dyspnea itself. CRP is a marker of inflammation, and D-dimer points to clotting issues like pulmonary embolism. So, BNP elevation directly points to heart failure as the reason for dyspnea, which is why it’s the best answer. Keep in mind that BNP can be affected by factors like renal function or obesity, so it’s interpreted in the clinical context.

More Multiple Choice Questions
Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy