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
Which is the investigation of choice in assessing hearing loss in neonates - 
Select and explain. 
A. Impedance audiometry, B. Brainstem Evoked Response Audiometry (BERA), C. Free field audiometry, D. Behavioral audiometry
B: Brainstem Evoked Response Audiometry (BERA)
Answer: B: Brainstem Evoked Response Audiometry (BERA) 
Explanation: Remember in children and infants:

Best screening test for detecting hearing loss-Otoacoustic emission
Best confirmatory test is BERA.
OAE 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
Absent OAE indicates cochlear lesion.
If OAE are absent child is taken up for BERA which is confirmatory.