<prompt> A 6-month-old infant was treated for H. influenzae meningitis. Most important investigation to be done before discharging the patient is:MRIBrainstem evoked response audiometryGrowth screening testPsychotherapy  <response>: b Brainstem evoked response audiometryRef. Cummings, 6th ed., 2076Meningitis can lead to labyrinthitis and thereby deafness which an infant will not report and if diagnosed early, cochlear implantation will have good results, so BERA needs to be done. 