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': 'Narrowest pa of infantile Larynx is \nSelect and explain. \nA. Supraglottic, B. Subglottic, C. Glottic, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Infants larynx is small and conical. The diameter of the cricoid cailage is smaller than the size of glottis marking subglottis the narrowest pa. Ref: PL Dhingra Textbook of Ear, Nose and Throat, Edition 7th, page - 323', 'role': 'assistant'}]