Consider this ABR (auditory brainstem response) test. What is the approximate latency of Wave V for the left ear (top tracing)?

The procedure used when masking is called the ________________ method.

Primarily which speech sounds are inaudible to this listener? 

Directional microphones and digital noise reduction are designed to improve speech perception in noise.

A hearing loss is stable if there is ≤20 dB change over time.

The procedure used when masking is called the ________________ method.

Assume supra-aural headphones. Right Air Conduction: Left Air Conduction: Right Bone Conduction: Left Bone Conduction:

The SII (speech intelligibility index) is a way to quantify how much speech will likely be understood from the audiogram.

BONUS 4: Name 1 of the Big 5 hearing aid manufacturers. 

Which style of hearing aid are children generally fit with it?