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': 'Which is the investigation of choice in assessing hearing loss in neonates - \nSelect and explain. \nA. Impedance audiometry, B. Brainstem Evoked Response Audiometry (BERA), C. Free field audiometry, D. Behavioral audiometry', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Remember in children and infants:\n\nBest screening test for detecting hearing loss-Otoacoustic emission\nBest confirmatory test is BERA.\nOAE is considered as best screening test as it is less time consuming, easy to perform, child does not need to be sedated and results are available immediately\nAbsent OAE indicates cochlear lesion.\nIf OAE are absent child is taken up for BERA which is confirmatory.', 'role': 'assistant'}]