This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
[{'content': 'Hypocalcemia is characterized by all except \nSelect and explain. \nA. Numbness and tingling of circumoral region, B. Hyperactive tendon reflexes, C. Shoening of Q-T interval in ECG, D. Carpopedal spasm', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Widening of Q-T interval in ECG is seen in hypocalcemia.Perioral numbness, Carpopedal spasm, tetany and hyperactive tendon reflexes are noted.Trousseau sign, Chovstek&;s sign elicit latent tetany.', 'role': 'assistant'}]