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: ENT
[{'content': 'Wagner and Grossman theory is related to \nSelect and explain. \nA. Palatal palsy, B. Vocal cord palsy, C. Facial palsy, D. Hypoglossal palsy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Wagner and Grossman hypothesis which states that cricothyroid muscle which receives innervation from superior laryngeal nerve keeps the cord in paramedian position due to its adductor function. Ref: PL Dhingra Textbook of Ear, Nose and Throat, Edition 7, page - 338', 'role': 'assistant'}]