This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Pathology
[{'content': 'Incoagulable states are - \nSelect and explain. \nA. Snake envenomation, B. Acute-promyelocytic leukemia, C. Abruptio placenta, D. Heparin overdose', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is option 1, snake envenomation Snakebite envenomation is common and may result in systemic coagulopathy. Antivenom can correct resulting laboratory abnormalities; however, despite antivenom use, coagulopathy may recur, persist, or result in death after a latency period. Ref Robbins 9/e pg449-450', 'role': 'assistant'}]