Explanation should include the uses of prothrombin time, activated partial thromboplastin time, and international normalized ratio (INR) testing for monitoring anticoagulation (e.g., warfarin and heparin) therapy.
Process/Skill Questions:
What is the difference between intrinsic and extrinsic pathways?
What are the two main drug therapies for coagulation disorders?
Which pathway is monitored by PT testing? APTT testing?