This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'A patient diagnosed to have deep vein thrombosis is being treated with heparin. Which of the following test will you order to adjust its dosage ? \nSelect and explain. \nA. Platelet count, B. Prothrombin time, C. Bleeding time, D. Activated paial thromboplastin time', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Activated paial thromboplastin time o Lab control of heprin is done by monitoring aPTT.", 'role': 'assistant'}]