In direct laryngoscopy which of the following cannot be visualized:: (A) Cricothyroid, (B) Lingual surface of epiglottis, (C) Arytenoids, (D) Pyriform fossa
Answer is A. (a) Cricothyroid(Ref. Dhingra, 6th ed., 422)In Direct laryngoscopy we are visualising the cavity of the larynx from within so cricothyroid muscle or membrane which lie externally cannot be seen.