This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'A decrease in which of the following would be expected to occur in response to a direct increase in renal aerial pressure? \nSelect and explain. \nA. Glomerular filtration rate, B. Water excretion, C. Sodium excretion, D. Extracellular fluid volume', 'role': 'user'}, {'content': 'Answer: C \nExplanation: An increase in renal aerial pressure results in pressure natriuresis and diuresis. The loss of sodium and water tends to decrease extracellular fluid volume', 'role': 'assistant'}]