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': 'All of the following are true regarding LMWH (Low Molecular Weight Heparin) except ? \nSelect and explain. \nA. It has higher and predictable bioavailability, B. It inhibits both factor IIa and Xa, C. PT; aPTT monitoring is not required, D. It has more orable pharmacokinetics', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., It inhibits both fctor IIa and Xa o LMH selectively inhibits factor Xa. All other options are correct.", 'role': 'assistant'}]