Laryngeal membranes are classified into extrinsic and intrinsic. Extrinsic membranes of larynx are all, EXCEPT?: (A) Cricothyroid membrane, (B) Thyrohyoid membrane, (C) Quadrangular membrane, (D) Cricotracheal membrane
Answer is C. Extrinsic membranes of larynx:Thyrohyoid membraneCricothyroid membraneCricotracheal membraneIntrinsic membranes of larynx:Cricovocal membraneQuadrangular membrane