UAMS Heme lab practical 3 correctly answered

PT reference range - Answer 12.6-14.6 PTT reference range - Answer 25-35 Fibrinogen reference range - Answer 220-498 Thrombin time reference range - Answer <21 seconds Bleeding time reference range - Answer 2-9 minutes Platelet count reference range - Answer 150-450 Vitamin K factors - Answer II, VII, IX, X Consumable factors - Answer I, V, VIII, XIII factors in aged serum - Answer VII, IX, XI, XII factors in adsorbed plasma - Answer I, V, VIII, XI, XII If a PTT is prolonged, when mixed: corrects with aged serum but not adsorbed plasma - Answer suspected deficiency in factor IX If a PTT is prolonged, when mixed: corrects with adsorbed plasma but not aged serum - Answer suspected deficiency in factors