A Patient Has Been Diagnosed with a Coagulopathy and Has

question 15

Multiple Choice

A patient has been diagnosed with a coagulopathy and has been given Coumadin as a mode of treatment. What screening test(s) should be performed to monitor this treatment, and what effect will this therapy have on the coagulation pathway?

• A) APTT; initial decrease in the vitamin K-dependent factors of the intrinsic pathway
• B) PT-INR; initial decrease in the vitamin K-dependent factors of the extrinsic pathway
• C) PT-INR and APTT; initial decrease in the vitamin K-dependent factors of all pathways
• D) PT-INR; initial decrease in all vitamin K-dependent serine proteases

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