Which of the following classes of medication decreases heart rate, contractility, and blood pressure, and is used to increase survival rates in post-myocardial infarction patients?

ACE inhibitors

Vasodilators

Beta blockers

Diuretics

Answer and Explanation

The Correct Answer is C

A. ACE inhibitors primarily affect blood pressure and heart remodeling but do not directly decrease heart rate or contractility.

B. Vasodilators mainly lower blood pressure by expanding blood vessels and do not primarily affect heart rate or contractility.

C. Beta blockers decrease heart rate, contractility, and blood pressure, and are specifically used to improve survival after a heart attack by reducing the heart's workload and oxygen demand.

D. Diuretics primarily reduce blood pressure by decreasing blood volume but do not directly decrease heart rate or contractility.

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Correct Answer is C

Explanation

A. Verapamil is a calcium channel blocker, not a beta blocker.

B. Captopril is an angiotensin-converting enzyme (ACE) inhibitor, not a beta blocker.

C. Atenolol is a beta blocker commonly used to treat hypertension, angina, and other cardiovascular conditions.

D. Clopidogrel is an antiplatelet medication used to prevent blood clots, not a beta blocker.

A. Restrict fluid intake to 1.5 liters/day B. Administer a loop diuretic C. Administer an additional dose of lithium D. Prepare the client for hemodialysis

Correct Answer is D

Explanation

Explanation:

A. Restricting fluid intake is not the appropriate action for a high lithium level.

B. Administering a loop diuretic is not appropriate for treating lithium toxicity.

C. Administering an additional dose of lithium would worsen the toxicity and is contraindicated.

D. Hemodialysis is the treatment of choice for severe lithium toxicity to rapidly remove excess lithium from the bloodstream.

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Which of the following classes of medication decreases heart rate, contractility, and blood pressure, and is used to increase survival rates in post-myocardial infarction patients?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client has been prescribed several medications. Which medication is a beta blocker?

Correct Answer is C

Explanation

A nurse is reviewing laboratory findings and notes that a client's lithium level is 2.6 mEq/L. Which of the following actions should the nurse plan to take?

Correct Answer is D

Explanation

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