Hearing and the Structure of the Ear

Question 1

The minimum detectable sound for normal hearing is arbitrarily set at _____ decibels.

Revolt · Accepted Answer

0

Question 2

The __________ sends sound vibrations to the inner ear.

Revolt · Accepted Answer

stapes

Question 3

Ear wax, which is produced in the external auditory canal, contains chemicals that guard the ear from infections.

Revolt · Accepted Answer

T

Question 4

Cochlear implants are surgically implanted electronic devices that send __________.

Revolt · Accepted Answer

electronic signals about sound waves to the brain

Question 5

Scientific research shows that birds are capable of regenerating their hair cells.

Revolt · Accepted Answer

T

Question 6

Audition is another word for being able to see.

Revolt · Accepted Answer

F

Question 7

Georg Von Békésy won a Nobel Prize for his research on the basilar membrane, which showed that it contains a(n) __________ wave.

Revolt · Accepted Answer

traveling

Question 8

Which of the following statements about the debate over cochlear implants is true?

Revolt · Accepted Answer

Many opponents of the cochlear implants view deafness as a cultural identity of which to be proud.

Question 9

Sound waves are detected by the pinna, or the outer part of the ear.

Revolt · Accepted Answer

T

Question 10

The outer ear channels sound waves down the external __________ to the __________, a tight membrane that vibrates in response to sound waves.

Revolt · Accepted Answer

auditory canal . . . eardrum

Hearing and the Structure of the Ear Answers