18 Questions
What is the effect of propranolol on the heart rate?
Decrease
What is the mechanism of action of nitroglycerin?
Inhibition of smooth muscle contraction
What is the route of administration of propranolol?
Oral
What is the effect of nitroglycerin on blood pressure?
Decrease
What is the indication for the use of aspirin?
Reduce clot formation
What is the half-life of nitroglycerin when administered intravenously?
2.8 minutes
What is the primary mechanism of action of digoxin in the treatment of congestive cardiac failure?
Binding to the Na+/K+ ATPase pump and increasing intracellular sodium concentrations
What is the half-life of digoxin in the body?
36-40 hours
What is the effect of aspirin on prostacyclin (PGI2) synthesis?
Aspirin spares prostacyclin synthesis at lower doses
What is the primary use of digoxin in the treatment of cardiac conditions?
Congestive cardiac failure (CCF)
What is the outcome of digoxin's inhibition of the Na+/K+ ATPase pump in the heart?
Increased release of calcium from the sarcoplasmic reticulum
What is the effect of aspirin on platelet activation and aggregation?
Aspirin inhibits platelet activation and aggregation
What is the duration of action of aspirin at low dose?
7-9 days
What is the mechanism of action of heparin?
Inhibiting clotting factors: IIa, IXa, Xa, XIa and XIIa
What is the antidote for heparin overdose?
Protamine sulphate
What is the mechanism of action of warfarin?
Inhibiting the synthesis of clotting factors
What is the International Normalized Ratio (INR) used for?
Monitoring warfarin therapy
What is the treatment for warfarin-induced skin necrosis?
Heparin
Test your knowledge of cardiovascular drugs, including their functions and effects on the body. This quiz covers beta blockers, anticoagulants, and more.
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