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: ENT
[{'content': 'In infant most sensitive audiometric screening is ? \nSelect and explain. \nA. Electrocochleography, B. BERA, C. Coical evoked response, D. Tympanometry', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., BERARef: Logan turner Ltr/e p. 416, 417; Anirban biswas clinical audio vestibulometry 3'd/e p. 68, 99BERA (brain stem evoked response audiometry) is now the most widely used method to estimate hearing threshold in infants.", 'role': 'assistant'}]