ATI Pharmacology Practice Exam Related

Review ATI Pharmacology Practice Exam related questions and content

What is the primary action of warfarin as an anticoagulant?

  • A. Prevents the formation of blood clots
  • B. Dissolves existing blood clots
  • C. Dilates coronary arteries
  • D. Treats rhythm disturbances
Correct Answer: A

Rationale: Warfarin is classified as an anticoagulant, which means its primary function is to prevent the formation of blood clots. By inhibiting the synthesis of certain clotting factors in the liver, warfarin reduces the blood's ability to clot, making it an important medication in preventing conditions like strokes and deep vein thrombosis.