This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal physiology, Subject name: Physiology
[{'content': 'GFR is determined by the following \nSelect and explain. \nA. Bowman capsule pressure, B. Hydrostatic pressure, C. Plasma oncotic pressure, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: GFR = K * EF ....... EF means effective pressure which depends on all pressures mentioned above. Ref: guyton and hall textbook of medical physiology 12 edition:464,465,466', 'role': 'assistant'}]