<prompt> 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 ?Platelet countProthrombin timeBleeding timeActivated paial thromboplastin time  <response>: Ans. is d i.e., Activated paial thromboplastin time o Lab control of heprin is done by monitoring aPTT. 