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
[{'content': 'Which of the following muscles adducts the vocal cords? \nSelect and explain. \nA. Lateral cricoarytenoid., B. Posterior cricoarytenoid., C. Cricothyroid., D. Vocalis.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Lateral cricoarytenoid. The oblique and transverse arytenoids and thyroartenoid also adduct the vocal folds. The posterior cricoarytenoids abducts the vocal cords. The cricothyroid muscle raises the cricoid cartilage and tenses the vocal cords.', 'role': 'assistant'}]