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': 'A/E the following changes are seen on the 5th day of fasting: \nSelect and explain. \nA. Increase in FFA levels., B. Decreased glucose tolerance, C. Decreased growth hormone, D. Decreased level of Insulin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Decreased growth hormone On 5th day of fasting, blood glucose level will be low and all the physiological changes will work in the direction of increasing the blood glucose level.', 'role': 'assistant'}]