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: Medicine
[{'content': 'Most common acute complication of dialysis is - \nSelect and explain. \nA. Hypotension, B. Bleeding, C. Dementia, D. Muscle cramps', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hypotension is the most common acute complication of hemodialysis particularly among patients with diabetes mellitus.\nFactors involved are\nÿ. Excessive ultrafiltration, with inadequate compensatory\nvascular filling, impaired vasoactive or autonomic response, osmolar shis, overzealous use of anhypertensives.', 'role': 'assistant'}]