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: Anaesthesia
[{'content': 'A woman is posted for elective cholecystectomy. Her preoperative clinical evaluation and airway assessment was normal. In the operating room, she was attached to the monitors and an antibiotic was administered to her. Suddenly she became pulseless and unresponsive. What should be the next step in her management? \nSelect and explain. \nA. Check for breathing, B. Call ambulance, C. Sta chest compression, D. Give two breaths', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. c. Sta chest compression', 'role': 'assistant'}]