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Pharmacology Made Easy 5.0 The Cardiovascular System Test Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
Why should patients taking digoxin be monitored for vision changes?✔✔Visual disturbances may indicate digoxin toxicity.
What electrolyte imbalance increases the risk of digoxin toxicity?✔✔Low potassium levels (hypokalemia).
What is the primary purpose of taking a statin medication?✔✔To lower cholesterol levels and reduce the risk of cardiovascular events.
Why should patients avoid grapefruit juice while taking calcium channel blockers?✔✔Grapefruit juice can increase drug levels and lead to toxicity.
How does nitroglycerin relieve chest pain?✔✔It relaxes and widens blood vessels to improve blood flow to the heart. 1 / 3
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What is a common side effect of ACE inhibitors like lisinopril?✔✔A persistent dry cough.
What is the purpose of anticoagulants in patients with atrial fibrillation?✔✔To prevent blood clots and reduce the risk of stroke.
Why should blood pressure be monitored regularly when taking antihypertensives?✔✔To prevent hypotension and ensure the medication is effective.
How does furosemide help treat heart failure?✔✔It reduces fluid overload by promoting urination.
Why is it dangerous to stop taking beta-blockers suddenly?✔✔Abrupt discontinuation can lead to rebound hypertension or heart problems.
What does an elevated INR indicate in a patient taking warfarin?✔✔There is an increased risk of bleeding. 2 / 3
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Why must potassium levels be monitored when using diuretics?✔✔Diuretics can cause potassium loss, leading to dangerous imbalances.
How do ARBs like losartan lower blood pressure?✔✔They block the action of angiotensin II, relaxing blood vessels.
What serious adverse effect should be reported immediately when taking amiodarone?✔✔Shortness of breath or cough, which may indicate pulmonary toxicity.
Why should patients rise slowly when taking antihypertensives?✔✔To prevent dizziness or fainting due to orthostatic hypotension.
What is the therapeutic effect of clonidine?✔✔It lowers blood pressure by decreasing sympathetic nervous system activity.
How does spironolactone differ from other diuretics?✔✔It is potassium-sparing and helps retain potassium.
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