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:

Increase the SA to AV node conduction time

Decrease coronary artery spasm

Diltiazem causes hyperexcitability in the myocardium

Increase the heart rate

Answer and Explanation

The Correct Answer is B

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.

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Correct Answer is D

Explanation

Choice A reason: Decreased hair is most likely a hereditary condition and nail changes are related to fungus is not the statement that describes the cause of this finding. This statement is not based on evidence and does not explain the relationship between peripheral vascular disease and the observed changes in the legs and feet.

Choice B reason: A blood clot may be forming and the client needs immediate intervention is not the statement that describes the cause of this finding. This statement is an alarmist and inaccurate interpretation of the finding. A blood clot would cause more acute and severe symptoms, such as pain, swelling, redness, and warmth in the affected area.

Choice C reason: Decreased oxygen to the tissues causes changes in hair growth and nail texture is the statement that describes the cause of this finding. This statement is based on the pathophysiology of peripheral vascular disease, which is a chronic condition that reduces the blood flow to the extremities due to atherosclerosis or inflammation of the blood vessels. The reduced blood flow leads to tissue ischemia and necrosis, which can manifest as hair loss, thickening and yellowing of the nails, skin ulcers, and gangrene.

Choice D reason: Depending on the client's age, the findings may be normal is not the statement that describes the cause of this finding. This statement is a vague and dismissive response that does not address the underlying problem of peripheral vascular disease. The findings are not normal for any age group and require further assessment and intervention.

A. Limit my intake of citrus juices B. Eat bananas daily to lower my potassium level C. Take my pill each day in the morning D. Take my pill each day after dinner

Correct Answer is C

Explanation

Choice A reason: Limiting the intake of citrus juices is not related to the teaching about hydrochlorothiazide. Citrus juices are rich in vitamin C, which has no significant interaction with hydrochlorothiazide. The client does not need to avoid or limit citrus juices unless they have other medical conditions that require dietary restrictions.

Choice B reason: Eating bananas daily to lower the potassium level is a wrong statement. Bananas are high in potassium, which is a mineral that hydrochlorothiazide can deplete from the body. The client may need to increase their potassium intake or take a potassium supplement to prevent hypokalemia, a condition of low potassium level that can cause muscle weakness, cramps, and arrhythmias.

Choice C reason: Taking the pill each day in the morning is the correct statement. Hydrochlorothiazide is a diuretic that increases the urine output and reduces the blood volume and pressure. The client should take the pill in the morning to avoid nocturia, which is frequent urination at night that can disrupt the sleep quality and increase the risk of falls.

Choice D reason: Taking the pill each day after dinner is not the best statement. Hydrochlorothiazide can cause diuresis, which is increased urine production and excretion. Taking the pill after dinner can lead to nocturia, which is frequent urination at night that can interfere with the sleep cycle and cause fatigue and irritability. The client should take the pill in the morning to prevent nocturia and its complications.

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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:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse, who is assessing a client with peripheral vascular disease, notes that the client has no hair on the legs and has thick toenails. Which statement describes the cause of this finding?

Correct Answer is D

Explanation

The nurse is teaching a client with hypertension about the prescribed hydrochlorothiazide 10 mg PO daily. Which statement, made by the client, would indicate that the teaching has been effective? "I will:

Correct Answer is C

Explanation

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