Pharmacological TherapiesQuestion 77 of 120
A client is prescribed warfarin. Which laboratory value is used to monitor its therapeutic effect?
a.Prothrombin time and international normalized ratio (INR)
b.Activated partial thromboplastin time (aPTT)
c.Platelet count only
d.Serum potassium
Explanation
Warfarin is monitored using the prothrombin time and INR. The aPTT is used to monitor heparin, not warfarin.
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