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: Anatomy
[{'content': 'Abductor of vocal cords is - \nSelect and explain. \nA. Thyroarytenoid, B. Lateral cricoarytenoid, C. Posterior cricoarytenoid, D. Cricothyroid', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Posterior cricoarytenoid Abductors : Adductors :Posterior cricoarytenoidLateral cricoarytenoidInterarytenoid (transverse arytenoid)Thyroarytenoid (external part)CricothyroidTensors :CricothyroidVocalis (internal part of thyroarytenoid)", 'role': 'assistant'}]