A nurse is teaching a client who has hypertension and is prescribed nifedipine, a calcium channel blocker, about self-care measures. Which of the following instructions should the nurse include? (Select all that apply.)

Avoid drinking alcohol while taking this medication.

Monitor your blood pressure and pulse regularly.

Report any swelling in your ankles or feet to your provider.

Do not stop taking this medication abruptly.

Chew or crush the sustained-release tablet for faster action.

Answer and Explanation

Correct Answer : A,B,C,D

Nifedipine is a calcium channel blocker that lowers blood pressure by relaxing the blood vessels and reducing the workload of the heart.

The following instructions should be included in the teaching:

• Avoid drinking alcohol while taking this medication. Alcohol can increase the risk of side effects such as dizziness, flushing, headache, and low blood pressure.

• Monitor your blood pressure and pulse regularly. This will help to evaluate the effectiveness of the medication and detect any abnormal changes. Normal blood pressure for adults is less than 130/80 mm Hg and normal pulse rate is 60 to 100 beats per minute.

• Report any swelling in your ankles or feet to your provider. This can be a sign of fluid retention or heart failure, which are possible complications of nifedipine.

• Do not stop taking this medication abruptly. This can cause a rebound increase in blood pressure and chest pain. The dose should be tapered gradually under the supervision of the provider.

Choice E is wrong because chewing or crushing the sustained-release tablet can cause too much of the drug to be released at once, which can lead to overdose or severe side effects.

The tablet should be swallowed whole with a glass of water.

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Correct Answer is C

Explanation

Angiotensin II receptor blockers (ARBs) block the binding of angiotensin II to its receptors on blood vessels and adrenal glands, preventing its vasoconstrictive and aldosterone-stimulating effects

Choice A is wrong because beta blockers do not block angiotensin II receptors, but rather beta-adrenergic receptors, which are involved in the sympathetic nervous system.Beta blockers reduce heart rate and blood pressure by inhibiting the effects of adrenaline and noradrenaline

Choice B is wrong because calcium channel blockers do not block angiotensin II receptors, but rather calcium channels, which are involved in the contraction of smooth muscle cells.Calcium channel blockers relax blood vessels and lower blood pressure by reducing the influx of calcium into the cells

Choice D is wrong because direct acting vasodilators do not block angiotensin II receptors, but rather act directly on the smooth muscle cells of blood vessels, causing them to relax and dilate.Direct acting vasodilators lower blood pressure by decreasing peripheral resistance

A. “I will use an electric razor for shaving.” B. “I will eat more green leafy vegetables.” C. “I will check my stools for blood.” D. “I will have my blood drawn regularly.”.

Correct Answer is B

Explanation

Choice B is wrong because “I will eat more green leafy vegetables.” This statement indicates a need for further teaching because green leafy vegetables are high in vitamin K, which can antagonize the effects of warfarin and increase the risk of clotting.The client should be advised to maintain a consistent intake of vitamin K and avoid sudden changes in their diet.

Choice A is wrong because using an electric razor for shaving is a safe practice for a client who is receiving warfarin, as it reduces the risk of bleeding from cuts or nicks.

Choice C is wrong because checking stools for blood is an important measure for a client who is receiving warfarin, as it can indicate gastrointestinal bleeding, which is a serious adverse effect of the medication.

Choice D is wrong because having blood drawn regularly is necessary for a client who is receiving warfarin, as it allows the monitoring of the international normalized ratio (INR), which reflects the degree of anticoagulation and guides the dosage adjustment of the medication.

The normal range for INR for a client who is receiving warfarin is 2 to 3, unless otherwise specified by the provider.

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A nurse is teaching a client who has hypertension and is prescribed nifedipine, a calcium channel blocker, about self-care measures. Which of the following instructions should the nurse include? (Select all that apply.)

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Naxlex Comprehensive Predictor Exams

Which drug blocks the binding of angiotensin II to its receptors on blood vessels and adrenal glands, preventing its vasoconstrictive and aldosterone-stimulating effects?

Correct Answer is C

Explanation

A nurse is evaluating a client who has heart failure and is receiving warfarin. Which of the following statements by the client indicates a need for further teaching?

Correct Answer is B

Explanation

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