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: Surgery
[{'content': 'Which of the following will not lead to respiratory distress after Thyroid Surgery - \nSelect and explain. \nA. Laryngomalacia, B. Bilateral recurrent laryngeal nerve injury, C. Hypocalcemia, D. None', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans is None All the given conditions are able to cause resp. distress. Endocrine surgery of Head & Neck writes "The reason for airway compromise include : bilateral recurrent laryngeal nerve injury tracheal malacia from longstanding tracheal compression caused by a large thyroid mass subglottic edema from laryngeal involvement with tumor, tracheal invasion by tumor post-op hemorrhage or hematoma." Hypocalcemia can also cause stridor by causing laryngeal spasm', 'role': 'assistant'}]