CCT CCT Pharmacology & Cardiac Medications 3

Question 1

Loop diuretics such as furosemide are used in heart failure primarily to:

Accepted Answer

Reduce preload by eliminating excess fluid

Answer

Increase systemic vascular resistance

Answer

Improve cardiac contractility

Answer

Slow heart rate

Question 2

Calcium channel blockers such as diltiazem are contraindicated in patients with:

Accepted Answer

Decompensated heart failure and severe left ventricular dysfunction

Answer

Stable angina

Answer

Hypertension alone

Answer

Supraventricular tachycardia

Question 3

When administering IV potassium chloride for hypokalemia, the cardiac technician should be most concerned about:

Accepted Answer

Infusion rate, as rapid administration can cause fatal arrhythmias

Answer

Skin color changes

Answer

Temperature of the solution

Answer

Patient hunger level

Question 4

Aspirin is given immediately in suspected acute MI primarily because it:

Accepted Answer

Inhibits platelet aggregation to prevent further thrombus formation

Answer

Dilates coronary arteries

Answer

Reduces fever

Answer

Lowers blood pressure

Question 5

Statins are prescribed to cardiac patients mainly because they:

Accepted Answer

Lower LDL cholesterol and stabilize atherosclerotic plaques

Answer

Thin the blood

Answer

Control heart rate

Answer

Reduce fluid retention

Question 6

Which antidote is used to reverse the anticoagulant effect of heparin in an emergency?

Accepted Answer

Protamine sulfate

Answer

Vitamin K

Answer

Fresh frozen plasma

Answer

Naloxone