Hearing and the Structure of the Ear Answers

The __________ sends sound vibrations to the inner ear. A.malleus B.stapes C.incus D.tympanum

Read the passage below and answer the question that follows.A professor at the college explained to his students that this theory of hearing is similar to piano strings. If you sound a note with a tuning fork near a piano, the piano string tuned to that note will vibrate. Of which theory of hearing was the above an example? A.tuning theoryB.frequency theoryC.place theoryD.cochlear theory

One of the drawbacks of the place theory is that it fails to adequately explain pitch perception of __________ frequency sounds. A.low B.mid-range C.high D.low and mid-range

The ossicles (the three tiny bones in the middle ear) are responsible for __________. A.converting sound vibrations into neural signalsB.relaying sound vibrations to the eardrumC.vibrating in response to sound waves D.amplifying sound vibrations from the eardrum

The cochlea is responsible for __________. A.protecting the outer portion of the earB.transmitting vibrations to the eardrum and stapesC.relaying neural signals to the auditory cortexD.converting vibrations into neural signals

The outer ear channels sound waves down the external __________ to the __________, a tight membrane that vibrates in response to sound waves. A.auditory canal . . . oval windowB.pinna . . . eardrum C.auditory canal . . . eardrum D.pinna . . . cochlea

Cochlear implants are surgically implanted electronic devices that send __________. A.electronic signals to the auditory nerve for processingB.sound vibrations to the cochlea for transduction C.sound vibrations to the ossicles in the middle earD.electronic signals about sound waves to the brain

Which of the following statements about the debate over cochlear implants is true? A. Many in the deaf community view deafness as a disability that should be treated or cured. B. Supporters of the cochlear implants believe that this technology will devalue people who are deaf. C. Many opponents of the cochlear implants view deafness as a cultural identity of which to be proud. D. Many supporters believe that cochlear implants lead children to have a poor self-image. Please select the best answer from the choices provided

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

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