Certification of Pharmacy Technicians (ExCPT) Practice Exam

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What is an example of a medication with anticoagulant properties?

  1. Warfarin

  2. Ibuprofen

  3. Atorvastatin

  4. Metformin

The correct answer is: Warfarin

Warfarin is a well-known anticoagulant, meaning it is specifically designed to inhibit blood clotting. It works by interfering with the synthesis of vitamin K-dependent clotting factors in the liver, which are essential for normal blood coagulation. By reducing the blood's ability to clot, Warfarin is commonly used to prevent and treat thrombosis and embolism, particularly in patients with conditions such as atrial fibrillation or those who have undergone certain surgeries. In contrast, other options listed serve different purposes. Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) used primarily for pain relief and inflammation but does not possess anticoagulant properties. Atorvastatin is a statin medication used to lower cholesterol levels and reduce the risk of cardiovascular events; it does not affect blood clotting directly. Metformin is primarily an antidiabetic medication used to manage blood sugar levels in type 2 diabetes; it also lacks anticoagulant effects. Therefore, within the context of anticoagulants, Warfarin stands out as the correct example.