This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal System, Subject name: Physiology
[{'content': 'Normal daily faecal fat excretion: \nSelect and explain. \nA. 0-5 gm, B. 5-10 gm, C. 10-15gm, D. 15-20gm', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Fats excretion less than 7 gm per day in feces is considered normal. More than this amount in feces indicates malabsorption; more than 8 gm/day in feces is called steatorrhea', 'role': 'assistant'}]