Inspiratory stridor is due to lesions of:: (A) Supraglottis, (B) Subglottis, (C) Trachea, (D) Bronchi
Answer is A. STRIDOR 1. Inspiratory stridor - obstructive lesion of supraglottis of pharynx. 2. Expiratory stridor - lesion of thoracic trachea, primary and secondary bronchi 3. Biphasic stridor - lesion of glottis sub glottis and cervical trachea.