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 A

Explanation

Rationale:

A. Tenormin (Atenolol) is a beta-blocker that reduces the heart rate and may affect the results of the stress test. Therefore, it should be held the morning of the test.

B. Heparin is an anticoagulant and is not typically held before a stress test.

C. Keflex (Cephalexin) is an antibiotic and is not typically held before a stress test.

D. Holding all medications is not necessary for a stress test, but specific medications that may interfere with the test, such as beta-blockers, should be held.

A. Hypocalcemia B. Hypernatremia C. Hyperkalemia D. Hypokalemia

Correct Answer is D

Explanation

Rationale:

A. Hypocalcemia is a decreased level of calcium in the blood and is not associated with furosemide use.

B. Hypernatremia is an increased level of sodium in the blood and is not associated with furosemide use.

C. Hyperkalemia is an increased level of potassium in the blood and is not associated with furosemide use.

D. Hypokalemia is a decreased level of potassium in the blood and is a major adverse effect of furosemide use.

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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?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is D

Explanation

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