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': 'The reabsorption of sodium chloride is increased in proximal convoluted tubules by hormones secreted from: \nSelect and explain. \nA. Anterior pituitary, B. Posterior pituitary, C. Adrenal cortex, D. Adrenal medulla', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]