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': 'Bile is formed at the rate of: \nSelect and explain. \nA. 20 ml/hr, B. 40 ml/hr, C. 80 ml/hr, D. 100 ml/hr', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Bile\nBile is made up of the bile acids, bile pigments, and other substances dissolved in an alkaline electrolyte solution that resembles pancreatic juice. About 500 mL is secreted per day.\xa0Some of the components of the bile are reabsorbed in the intestine and then excreted again by the liver (enterohepatic circulation).\nBile is formed at the rate of 20ml/hr.\nReference: Ganong’s Review of Medical Physiology T W E N T Y - F I F T H\xa0 \xa0E D I T I O N page no 462', 'role': 'assistant'}]