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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Free Nursing Study Resources

Correct Answer is ["A","B","D","E"]

Explanation

Choice A reason: Using a soft bristled tooth brush can prevent gum bleeding and irritation that may occur with a hard bristled tooth brush. Gum bleeding can be a sign of excessive anticoagulation and increased risk of bleeding.

Choice B reason: Reporting black or bloody bowel movements is important because it can indicate gastrointestinal bleeding, which can be a serious complication of warfarin therapy. Gastrointestinal bleeding can cause anemia, shock, and even death if not treated promptly.

Choice C reason: Limiting all fruits and vegetables is not necessary for a client taking warfarin. However, some fruits and vegetables, especially those that are high in vitamin K, can interfere with the effect of warfarin and increase the risk of clotting. Vitamin K is found in green leafy vegetables, such as spinach, kale, broccoli, and cabbage, and some fruits, such as avocado, kiwi, and grapes. The client should maintain a consistent intake of vitamin K and avoid sudden changes in their diet.

Choice D reason: Reporting coffee ground or bloody emesis is also important because it can indicate upper gastrointestinal bleeding, which can be another serious complication of warfarin therapy. Upper gastrointestinal bleeding can cause hematemesis, melena, anemia, and hypovolemic shock.

Choice E reason: Shaving with an electric razor instead of a razor blade can prevent skin cuts and bleeding that may occur with a razor blade. Skin cuts and bleeding can be a sign of excessive anticoagulation and increased risk of bleeding.

Correct Answer is ["0.4"]

Explanation

Given:

Enoxaparin dose: 40 mg

Available concentration: 100 mg/mL

Step 1: Calculate the volume of enoxaparin to be administered in mL

Volume = Enoxaparin dose / Concentration

Volume = 40 mg / 100 mg/mL

Volume = 0.4 mL

Rounding to the nearest tenth:

Volume = 0.4 mL

Therefore, the nurse should administer 0.4 mL of enoxaparin subcutaneously for the prevention of deep vein thrombosis.

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

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which of the following would be included in bleeding precautions for a client taking warfarin? SELECT ALL THAT APPLY

Correct Answer is ["A","B","D","E"]

Explanation

A nurse is preparing to administer enoxaparin 40 mg subcutaneous for prevention of deep vein thrombosis. Available is enoxaparin 100 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.4"]

Explanation

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