This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid & Electrolyte, Subject name: Surgery
[{'content': 'Trousseaus sign is seen in - \nSelect and explain. \nA. Hypocalcemia, B. Hypercalcemia, C. Hypokalemia, D. Hyperkalemia', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Hypocalcemia * Trousseau's sign: Carpal spasm induced by inflation of a blood pressure cuff to 20 mmHg above the patient's systolic blood pressure for 3 min - is seen in hypocalcemia.", 'role': 'assistant'}]