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': 'Drug causing hypercoagulability is - \nSelect and explain. \nA. L-asparginase, B. Busulfan, C. Melphalan, D. 5-FU', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., L-asparginase o The major toxicity of asparginase is clotting abnormalities (hypercoagulability or bleeding tendency). It may also cause pancreatitis, hyperglycemia and neurological toxicity.", 'role': 'assistant'}]