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
Abductor of the vocal cord is : 
Select and explain. 
A. Posterior cricoarytenoid, B. Lateral cricarytenoid, C. Crichothyroid, D. Thyroepiglottis
A: Posterior cricoarytenoid
Answer: A: Posterior cricoarytenoid 
Explanation: A i.e., Posterior cricoarytenoid