Final answer:
Tinnitus masking is the use of white noise to hide other sounds. Ear irrigation is the washing of the ear canal to remove cerumen or foreign bodies. A hearing aid is a small electronic device used to improve hearing. Ear drops are liquid medication placed in the external auditory canal.
Step-by-step explanation:
tinnitus masking: The use of white noise, or sounds that hide other sounds.
ear irrigation: Washing of the external auditory canal to remove cerumen or foreign bodies.
hearing aid: A small electronic device put in the external auditory canal to improve hearing.
ear drops (otic drops): Liquid medication placed into the external auditory canal.
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