A patient of Phonasthenia shows elliptical space between vocal cords on indirect laryngoscopy, muscle involved is
ExplanationAnswer: B
phonoasthenia is weakness or easy fatigability of voice due to weakness of thyroarytenoid ,inter arytenoid or both
• on indirect laryngoscopy signs space between vocal cords is seen if its,
• elliptical= thyroarytenoid
• triangular gap between post commissure= inter arytenoid
