Question

A phlebotomy technician is preparing to draw a patient's blood when the patient informs him that she is taking warfarin. The technician should
identify that the results of which of the following tests is affected by this medication?

Answer 1

Answer:

Any type of blood draw would be affected by Warfarin.

Explanation:

Warfarin is a blood thinner, usually used to prevent blood clots in veins and arteries. Any type of cut, or puncture from a needle (to draw blood), would make the patient bleed more than normal, and it would be difficult to stop.