Which of the following is most important for the nurse to include with calcium channel blockers?

Always check your apical heart rate before taking this medication

Calcium channel blockers may cause increased blood pressure, so immediately report blurred vision

These medications are best taken at night to reduce cholesterol

Do not drink grapefruit juice while on this medication

Answer and Explanation

The Correct Answer is D

Choice A reason: This choice is incorrect because checking the apical heart rate before taking calcium channel blockers is not necessary for most patients. Calcium channel blockers are a group of medications that relax and widen blood vessels, lower blood pressure, and slow the heart rate. They are used to treat conditions such as hypertension, angina, and arrhythmias. The nurse should check the apical heart rate only if the patient has a history of bradycardia (slow heart rate) or heart block (a problem with the electrical conduction of the heart).

Choice B reason: This choice is incorrect because calcium channel blockers do not cause increased blood pressure, but rather lower it. Blurred vision is not a common side effect of calcium channel blockers, and it may indicate other problems, such as eye infection, glaucoma, or stroke. The nurse should instruct the patient to report any changes in vision, but not to associate them with calcium channel blockers.

Choice C reason: This choice is incorrect because calcium channel blockers do not affect cholesterol levels, and the time of day they are taken does not matter. Cholesterol is a type of fat that circulates in the blood and can build up in the arteries, causing atherosclerosis (hardening and narrowing of the arteries). Cholesterol levels are influenced by diet, exercise, genetics, and other medications, such as statins. The nurse should advise the patient to follow a healthy lifestyle and take any prescribed medications for cholesterol control.

Choice D reason: This choice is correct because grapefruit juice can interact with some calcium channel blockers, such as nifedipine, verapamil, and diltiazem, and increase their blood levels and effects. This can cause serious side effects, such as low blood pressure, dizziness, headache, flushing, and edema (swelling). The nurse should warn the patient to avoid grapefruit juice and any products that contain grapefruit while taking calcium channel blockers.

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Correct Answer is C

Explanation

Choice A reason: This is incorrect because labetalol is a safe and effective medication for treating hypertension in pregnancy. Labetalol is a beta-blocker that lowers blood pressure by reducing the heart rate and the force of contraction. It does not affect the blood flow to the placenta or the fetus.

Choice B reason: This is incorrect because labetalol is not contraindicated for smokers. However, smoking is a risk factor for cardiovascular disease and should be discouraged by the nurse. Smoking can increase blood pressure, heart rate, and the risk of blood clots.

Choice C reason: This is correct because labetalol is contraindicated for clients with a history of uncontrolled asthma. Labetalol is a non-selective beta-blocker that can block the beta-2 receptors in the lungs and cause bronchoconstriction. This can worsen asthma symptoms and trigger an asthma attack.

Choice D reason: This is incorrect because labetalol is a suitable medication for clients who had a myocardial infarction. Labetalol can prevent further damage to the heart muscle by reducing the oxygen demand and the workload of the heart. It can also prevent arrhythmias and angina.

A. Notify the provider immediately if you become pregnant B. If you develop facial swelling, start taking only half the dose C. Always take this medication with food or milk D. This medication may cause anaphylaxis, so you must carry an epi pen

Correct Answer is A

Explanation

Choice A reason: This choice is correct because captopril is an angiotensin-converting enzyme (ACE) inhibitor that can cause fetal harm or death if used during pregnancy. Captopril can affect the development of the baby's kidneys, lungs, skull, and blood vessels. The nurse should advise the patient to use effective contraception while taking captopril and to inform the provider as soon as possible if she becomes pregnant or plans to become pregnant. The provider may switch the patient to a safer medication for blood pressure control during pregnancy.

Choice B reason: This choice is incorrect because facial swelling is a serious side effect of captopril that may indicate angioedema, a life-threatening allergic reaction that causes swelling of the face, lips, tongue, throat, or airway. The nurse should instruct the patient to stop taking captopril and seek emergency medical attention if she develops facial swelling or any signs of difficulty breathing, such as wheezing, stridor, or cyanosis. Reducing the dose of captopril will not prevent or treat angioedema.

Choice C reason: This choice is incorrect because captopril can be taken with or without food, depending on the patient's preference and tolerance. Food may decrease the absorption of captopril, but this effect is not clinically significant for most patients. The nurse should advise the patient to take captopril at the same time each day, preferably one hour before meals, to maintain consistent blood levels and effects.

Choice D reason: This choice is incorrect because captopril is unlikely to cause anaphylaxis, a severe and potentially fatal allergic reaction that involves multiple organ systems. Anaphylaxis can cause symptoms such as hives, itching, flushing, swelling, nausea, vomiting, diarrhea, abdominal pain, low blood pressure, fast heart rate, and shock. The nurse should instruct the patient to carry an epi pen only if she has a history of anaphylaxis or a severe allergy to another substance. .

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Which of the following is most important for the nurse to include with calcium channel blockers?

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