This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, Subject name: Pharmacology
[{'content': 'True about low molecular weight heparin except: \nSelect and explain. \nA. Predictable bioavailability, B. Inhibit factor Ela and Xa, C. Favorable pharmacokinetics, D. PT, apt monitoring not required.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. Inhibit factor IIa and XaLow molecular weight is sensitive to factor Xa. It has better bioavailability. Its response is predictable therefore monitoring of PT is not required. Example are- dalteparin, enoxaparin.', 'role': 'assistant'}]