Which drug class should not be used when a patient is taking nitrates?

Erectile dysfunction drugs.

Alpha-adrenergic blockers.

Calcium channel blockers.

Beta-adrenergic blockers.

Answer and Explanation

The Correct Answer is A

Erectile dysfunction drugs should not be used when a patient is taking nitrates. This is because both types of drugs cause blood vessels to dilate, which can lead to a dangerous drop in blood pressure. This can increase the risk of heart attack, stroke or fainting.

Choice B is wrong because alpha-adrenergic blockers are sometimes used together with nitrates to treat high blood pressure and angina. They work by relaxing the smooth muscles of the blood vessels, which lowers blood pressure and improves blood flow.

Choice C is wrong because calcium channel blockers are also used to treat high blood pressure and angina. They work by blocking the entry of calcium into the muscle cells of the heart and blood vessels, which reduces the force of contraction and relaxes the blood vessels.

Choice D is wrong because beta-adrenergic blockers are another class of drugs that can be used with nitrates to treat high blood pressure and angina. They work by blocking the effects of adrenaline on the heart and blood vessels, which slows down the heart rate and lowers blood pressure.

Normal ranges for blood pressure vary depending on age, gender and other factors, but generally they are between 90/60 mmHg and 120/80 mmHg for healthy adults.

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Correct Answer is D

Explanation

This is because nitroglycerin patches can cause tolerance if they are used continuously, which reduces their effectiveness in preventing angina attacks. Removing the patch each evening allows the body to restore its sensitivity to the drug.

Choice A is wrong because nitroglycerin patches should be applied every 24 hours, not every 48 hours.

Applying a new patch every 48 hours would result in inadequate blood levels of the drug and increased risk of angina.

Choice B is wrong because nitroglycerin patches should not be cut in half or altered in any way.

Cutting the patch would compromise the integrity of the drug delivery system and could lead to unpredictable or excessive doses of the drug.

Choice C is wrong because nitroglycerin patches should not be taken off for 30 minutes if a headache occurs.

Headache is a common side effect of nitroglycerin due to its vasodilating action, but it usually subsides with continued use.

Taking off the patch for 30 minutes could increase the risk of angina by interrupting the steady blood levels of the drug.

The nurse should advise the client to take an analgesic such as acetaminophen for headache relief.

A. Calcium channel blockers:. B. Beta Blocker:. C. Platelet inhibitors:. D. Angiotensin receptor blocker (ARBS):. E. ACE inhibitor:.

Correct Answer is D

Explanation

Angiotensin receptor blockers (ARBs) are a class of drugs that block the action of angiotensin II, a hormone that causes blood vessels to constrict and raise blood pressure. Examples of ARBs include losartan, valsartan, candesartan, and irbesartan.ARBs are used to treat hypertension, heart failure, and chronic kidney disease.

Choice A is wrong because calcium channel blockers (CCBs) are a class of drugs that prevent calcium from entering the cells of the heart and blood vessels, causing them to relax and lower blood pressure.

Examples of CCBs include amlodipine, diltiazem, verapamil, and nifedipine.CCBs are used to treat hypertension, angina, and arrhythmias.

Choice B is wrong because beta blockers are a class of drugs that reduce the heart rate and force of contraction, lowering the cardiac output and blood pressure.

Examples of beta blockers include atenolol, metoprolol, propranolol, and bisoprolol.Beta blockers are used to treat hypertension, angina, heart failure, and arrhythmias.

Choice C is wrong because platelet inhibitors are a class of drugs that prevent platelets from clumping together and forming blood clots.

Examples of platelet inhibitors include aspirin, clopidogrel, ticagrelor, and prasugrel.Platelet inhibitors are used to prevent or treat cardiovascular events such as heart attack or stroke.

Choice E is wrong because ACE inhibitors are a class of drugs that inhibit the enzyme that converts angiotensin I to angiotensin II, reducing the production of this vasoconstrictor hormone.

Examples of ACE inhibitors include lisinopril, enalapril, ramipril, and captopril.ACE inhibitors are used to treat hypertension, heart failure, and chronic kidney disease.

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Which drug class should not be used when a patient is taking nitrates?

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Naxlex Comprehensive Predictor Exams

A nurse is reinforcing teaching with a client who has a new prescription for nitroglycerin transdermal patch for angina pectoris. Which of the following instructions should the nurse include?

Correct Answer is D

Explanation

Match the following drug classification with the appropriate drug,

Correct Answer is D

Explanation

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The prescriber orders furosemide 80 mg for a patient who has been retaining extra fluid after surgery. The nurse notes the following: BP of 142/88 (lying) and 108/60 (sitting); daily weight of 154 lb, a 1-lb drop from day before; serum potassium of 2.8 mEq/L. What should the nurse do?

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