A nurse is assessing a patient with known mitral valve regurgitation. The nurse should expect to hear which of the following heart sounds?

Murmur

S3 and S4

Click

Friction rub

Answer and Explanation

The Correct Answer is A

Rationale:

A. Mitral valve regurgitation typically presents with a murmur, which is a characteristic sound associated with the backflow of blood into the left atrium during systole.

B. S3 and S4 are not typical heart sounds and do not relate to mitral valve regurgitation.

C. A click is typically associated with mitral valve prolapse, not mitral valve regurgitation.

D. A friction rub is typically associated with pericarditis, not mitral valve regurgitation.

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Correct Answer is D

Explanation

Rationale:

A. Discontinuing heparin abruptly without achieving therapeutic levels of warfarin increases the risk of thrombus formation.

B. Heparin and warfarin have different mechanisms of action, but they both serve to prevent clot formation.

C. Heparin and warfarin do not directly affect each other's therapeutic effects.

D. Warfarin takes time to reach therapeutic levels and become effective, so heparin is continued until warfarin is fully active.

A. Sinus Tachycardia B. Junctional Rhythm C. First Degree Heart Block D. Atrial Fibrillation

Correct Answer is D

Explanation

Rationale:

A. This is not correct since a sinus tachycardia show have a sinus P wave unlike in the strip.

B. This is incorrect since a junctional rhythm should have a regular ventricular rhythm unlike in the above strip which is irregular.

C. A first degree heart block should have a PR interval greater than 0.20 without a disruption in the atrial to ventricular conduction.

D. This is correct since the rhythm is irregular and the P waves are absent.

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A nurse is assessing a patient with known mitral valve regurgitation. The nurse should expect to hear which of the following heart sounds?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is D

Explanation

Identify the following Cardiac Rhythm:

Correct Answer is D

Explanation

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