This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Larynx, Subject name: ENT
All of the following are paired except 
Select and explain. 
A. Interarytenoids, B. Corniculate, C. Vocal cords, D. Cricothyroids
A: Interarytenoids
Answer: A: Interarytenoids 
Explanation: Interarytenoid is unpaired and acts as adductor whereas Corniculate, Vocal cords and Cricothyroids are paired. Ref: PL Dhingra Textbook of Ear, Nose and Throat, Edition 6, page - 319, 321