Antianginal Drugs MCQs with Answers

Antianginal Drugs MCQs with Answers

Here's a set of Multiple Choice Questions (MCQs) on antianginal drugs, along with their correct answers:

Which of the following is NOT a class of antianginal drugs?

a) Nitrates

b) Beta-blockers

c) Calcium channel blockers

d) ACE inhibitors

Answer: d) ACE inhibitors

Which antianginal drug works primarily by reducing myocardial oxygen demand?

a) Nitroglycerin

b) Metoprolol

c) Amlodipine

d) Ranolazine

Answer: b) Metoprolol

Sublingual nitroglycerin is most commonly used for:

a) Prophylaxis of angina

b) Acute relief of angina

c) Hypertension control

d) Heart failure management

Answer: b) Acute relief of angina

Which antianginal drug is known as a ”metabolic modulator”?

a) Isosorbide dinitrate

b) Diltiazem

c) Ranolazine

d) Propranolol

Answer: c) Ranolazine

The primary mechanism of action for long-acting nitrates is:

a) Increasing myocardial contractility

b) Decreasing heart rate

c) Vasodilation of coronary arteries

d) Blocking calcium channels

Answer: c) Vasodilation of coronary arteries

Which side effect is commonly associated with nitrate use?

a) Bradycardia

b) Headache

c) Hyperkalemia

d) Constipation

Answer: b) Headache

Beta-blockers used in angina treatment work by:

a) Increasing heart rate

b) Decreasing myocardial oxygen demand

c) Dilating coronary arteries

d) Increasing cardiac output

Answer: b) Decreasing myocardial oxygen demand

Which calcium channel blocker is primarily used for its antianginal effects?

a) Nifedipine

b) Amlodipine

c) Verapamil

d) Diltiazem

Answer: d) Diltiazem

Nitrate tolerance can be managed by:

a) Increasing the dose

b) Providing a nitrate-free interval

c) Switching to a different antianginal drug

d) Adding a beta-blocker

Answer: b) Providing a nitrate-free interval

Which antianginal drug is contraindicated in patients taking phosphodiesterase-5 inhibitors (e.g., sildenafil)?

a) Metoprolol

b) Diltiazem

c) Nitroglycerin

d) Ranolazine

Answer: c) Nitroglycerin

The primary mechanism of action for ranolazine is:

a) Blocking sodium channels

b) Dilating coronary arteries

c) Decreasing heart rate

d) Increasing myocardial contractility

Answer: a) Blocking sodium channels

Which antianginal drug class is most likely to cause ankle edema as a side effect?

a) Nitrates

b) Beta-blockers

c) Calcium channel blockers

d) Potassium channel openers

Answer: c) Calcium channel blockers

Ivabradine, a newer antianginal drug, primarily works by:

a) Blocking calcium channels

b) Inhibiting the If current in the sinoatrial node

c) Dilating coronary arteries

d) Reducing myocardial oxygen consumption

Answer: b) Inhibiting the If current in the sinoatrial node

Which antianginal drug is most likely to cause bronchospasm in asthmatic patients?

a) Isosorbide mononitrate

b) Amlodipine

c) Propranolol

d) Ranolazine

Answer: c) Propranolol

The ”first-line” antianginal drug for most patients with stable angina is typically:

a) Nitroglycerin

b) Beta-blockers

c) Calcium channel blockers

d) Ranolazine

Answer: b) Beta-blockers

These MCQs cover various aspects of antianginal drugs, including their mechanisms of action, indications, side effects, and contraindications. They can be useful for medical students, pharmacists, and healthcare professionals to test and reinforce their knowledge about these important medications.