A client who has chronic stable angina is being discharged. Which statement by the client indicates an understanding of the discharge teaching?

I should not experience chest pain since I am on aspirin therapy.

The chest pain is caused by a spasm in my heart.

Each time I have chest pain, my heart is damaged more.

I should hire someone to shovel snow in the winter.

Answer and Explanation

The Correct Answer is D

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Correct Answer is B

Explanation

Choice A reason: Increasing the SA to AV node conduction time is not the goal of using diltiazem for variant angina. Diltiazem is a calcium channel blocker that slows down the conduction of electrical impulses in the heart, but this is not the main mechanism of action for relieving variant angina. Variant angina is caused by spasms of the coronary arteries that reduce blood flow to the heart muscle.

Choice B reason: This is the correct answer. Decreasing coronary artery spasm is the goal of using diltiazem for variant angina. Diltiazem relaxes the smooth muscle of the coronary arteries and prevents them from contracting. This improves the blood supply to the heart and reduces the pain and ischemia associated with variant angina.

Choice C reason: Diltiazem does not cause hyperexcitability in the myocardium. This is a false statement. Diltiazem has the opposite effect of reducing the contractility and excitability of the heart muscle. This lowers the oxygen demand of the heart and helps prevent anginal attacks.

Choice D reason: Increasing the heart rate is not the goal of using diltiazem for variant angina. Diltiazem actually decreases the heart rate by blocking the calcium channels in the sinoatrial node and the atrioventricular node. This reduces the workload of the heart and the oxygen consumption. A high heart rate can worsen angina by increasing the oxygen demand of the heart.

A. glucose of 110 mg/dL. B. potassium of 3.0 mEq/L. C. calcium of 9.0 mg/dL. D. sodium of 133 mEq/L.

Correct Answer is B

Explanation

Choice A reason: Glucose of 110 mg/dL is not a finding that indicates digoxin toxicity. It is a normal blood glucose level for a fasting or non-fasting client.

Choice B reason: Potassium of 3.0 mEq/L is a finding that indicates digoxin toxicity. It is a low serum potassium level, which increases the risk of digoxin toxicity by enhancing the binding of digoxin to cardiac cells. The nurse should monitor the client for signs and symptoms of digoxin toxicity, such as nausea, vomiting, anorexia, fatigue, confusion, visual disturbances, and cardiac arrhythmias.

Choice C reason: Calcium of 9.0 mg/dL is not a finding that indicates digoxin toxicity. It is a normal serum calcium level for an adult client.

Choice D reason: Sodium of 133 mEq/L is not a finding that indicates digoxin toxicity. It is a slightly low serum sodium level, which may indicate hyponatremia, but not digoxin toxicity.

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A client who has chronic stable angina is being discharged. Which statement by the client indicates an understanding of the discharge teaching?

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Naxlex Comprehensive Predictor Exams

The nurse is aware that the goal of using diltiazem 30 mg PO bid in the collaborative plan of care for a client diagnosed with variant (Prinzmetal's) angina is to:

Correct Answer is B

Explanation

The nurse should monitor the client for clinical manifestations of digoxin toxicity if the laboratory report reflects a serum:

Correct Answer is B

Explanation

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