This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'Sign of diabetic ketoacidosis is- \nSelect and explain. \nA. Loss of sweating, B. Depression, C. Dehydration, D. Absent deep tendon reflexes', 'role': 'user'}, {'content': "Answer: C \nExplanation: Physical findings of diabetic ketoacidosis are tachycardia, dehydration/hypotension, hypothermia, tachypnea/Kussmaul respirations/ respiratory distress, abdominal tenderness (may resemble acute pancreatitis or surgical abdomen), lethargy/obtundation/cerebral edema/possibly coma. Reference : page 2418 Harrison's Principles of Internal Medicine 19th edition", 'role': 'assistant'}]