This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': 'Inspiratory stridor is found in what kind of lesions \nSelect and explain. \nA. Supraglottic, B. Subglottic, C. Tracheal, D. Bronchus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Airway obstruction above the glottis - an inspiratory stridor Obstruction in the lower trachea & bronchi - indicative of expiratory stridor Lesion in glottic or subglottic lesion. - A biphasic stridor So answer is option a - supraglottis Ref : PL Dhingra 7th edition ; pg num:- 333,334', 'role': 'assistant'}]