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
Vocal cord abductors is: 
Select and explain. 
A. Lateral cricoarytenoid, B. Posterior cricoarytenoid, C. CricothyroidThyroarytenoid, D. Thyroarytenoid
B: Posterior cricoarytenoid
Answer: B: Posterior cricoarytenoid 
Explanation: Posterior cricoarytenoid