This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
[{'content': 'Hypotension while on dialysis is due to \nSelect and explain. \nA. Excessive ultrafiltration, B. Hypertensives, C. Renal disease, D. Diabetes', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Excessive ultrafiltration # INTRADIALYTIC HYPOTENSION is the presence of a decrease in systolic blood pressure PS20 mmHg or a decrease in mean arterial pressure by 10 mmHg.> Dialysis hypotension is the result of an inadequate cardiovascular response to the reduction in blood volume that occurs when a large volume of water is removed during a short period of time.', 'role': 'assistant'}]