This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'Laryngeal membranes are classified into extrinsic and intrinsic. Extrinsic membranes of larynx are all, EXCEPT: \nSelect and explain. \nA. Cricothyroid membrane, B. Thyrohyoid membrane, C. Quadrangular membrane, D. Cricotracheal membrane', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Extrinsic membranes of larynx:Thyrohyoid membraneCricothyroid membraneCricotracheal membraneIntrinsic membranes of larynx:Cricovocal membraneQuadrangular membrane Ref: Diseases of Ear, Nose and Throat by PL Dhingra, 4th edition, Page 54, 55.', 'role': 'assistant'}]