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: 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: All intrinsic muscles of larynx are paired except transverse arytenoid/interarytenoid. As far as cailages of larynx are concerned 3 are paired and 3 are unpaired.