This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
[{'content': 'Hypocalcemia is characterized by aii of the following features except- \nSelect and explain. \nA. Numbness and tingling of circumoral region, B. Hyperactivity tendon reflexes, C. Shoening of Q-T interval in ECG, D. Carpopedal spasm', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Numbness and tingling of circumoral region,Hyperactivity tendon reflexes,Carpopedal spasm are features of hypocalcemia shoening of QT interval is seen in hypercalcemia Ref Harrison 20th edition pg 1556', 'role': 'assistant'}]