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: Pharmacology
[{'content': 'A 16-year-old girl diagnosed with anorexia nervosa is brought to the emergency department after becoming very light-headed, breaking into a sweat, and developing palpitations while exercising. She exercises regularly. Her serum glucose is 40 mg/dL. The patient is given a soft drink to sip, and she feels better half an hour later. \nWhich of the following hormones most likely triggered the sweating and palpitations the patient experienced? \nSelect and explain. \nA. ACTH, B. Calcitonin, C. Epinephrine, D. Insulin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]