Massachusetts Pharmacy Technician License Practice Test

Which medication is most likely prescribed to increase blood coagulation?

1. Vitamin C

2. Warfarin

3. Vitamin K

4. Aspirin

The correct answer is: Vitamin K

Vitamin K is essential for the synthesis of certain clotting factors in the liver, which are critical for the coagulation process. When a patient is experiencing issues related to blood clotting, such as in cases of bleeding disorders or the effects of anticoagulants, Vitamin K can be prescribed to help restore the body’s ability to form clots by enhancing the production of these clotting factors. In contrast, the other options do not promote coagulation. For example, Warfarin is an anticoagulant that actually inhibits blood coagulation by blocking Vitamin K's action, thereby reducing the synthesis of clotting factors. Aspirin is an antiplatelet medication that prevents platelets from aggregating, which also diminishes clot formation. Vitamin C does not have a direct role in blood coagulation, as it is primarily involved in various bodily functions, including collagen synthesis and acting as an antioxidant. This is why Vitamin K is the most appropriate choice for increasing blood coagulation.