Pharmacological TherapiesQuestion 94 of 120
A client is prescribed warfarin. Which laboratory test is used to monitor its therapeutic effect?
a.Blood glucose
b.Prothrombin time and INR
c.Serum potassium
d.White blood cell count
Explanation
Warfarin's anticoagulant effect is monitored with the prothrombin time and international normalized ratio (INR). Glucose, potassium, and white cell counts are not used to adjust warfarin. Monitoring the INR prevents bleeding and clotting.
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