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: Surgery
[{'content': 'Haemostasis in scalp wound is best achived by ? \nSelect and explain. \nA. Direct presure over the wound, B. Catching and crushing the bleeders by haemostats, C. Eversion of galea aponeurotica, D. Coagulation of bleeders', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Direct presure over the wound", 'role': 'assistant'}]