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: Physiology
[{'content': 'GFR decreases with the following: September 2009 \nSelect and explain. \nA. Hypoproteinemia, B. Hypotension, C. Hypeension, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B: Hypotension', 'role': 'assistant'}]