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Deaf or Hard of Hearing K to 12

Question 6 of 30

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Competency 2—Knowledge of the anatomy and physiology of the auditory system and of hearing loss

DIRECTIONS: Read the item and select the best response.

The primary purpose of the tympanic membrane is to

Choose an answer

protect the Eustachian tube.
trigger nerve impulses to the brain.
reduce the amplitude of sound waves.
convert acoustical waves into mechanical energy.

Enter to expand or collapse answer.Answer expanded: Correct Response: D.