<prompt> Which of the following test assesses resistance in middle ear -Pure tone audiometryImpedance audiometryCaloric testBERA Brainstem evoked response audiometry  <response>: Impedance Audiometry1. It is an objective test for hearingQ2. It is very useful in children for assessing the hearing loss. Q3. It consists of tympanometry and acoustic reflexTympanometry is a measure of the condition of the middle ear at the level of tympanic membrane.NOTE: For infants and neonates, tympanograms obtained using a 220 Hz probe may erroneously appear normal. a higher frequency probe tone 660 or 1000 Hz must be used 