Pharmacology A patient diagnosed with deep vein thrombosis is being treated with heparin. Which of the following test will you order to adjust its dosage? A Platelet count B Prothrombin time C Bleeding time D Activated partial thromboplastin time 💡 Explanation A patient diagnosed with deep vein thrombosis is being treated with heparin. Which of the following test will you order to adjust its dosage? ✓ Correct Answer: D. Activated partial thromboplastin time