Sound and Answer Key Essay

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Week 6 Quiz 6

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Part 1 of 1 -15.0 Points

1.0 Points

The speed of sound through air is

A.50 meters per second B.340 meters per second C.1500 meters per second D.3000 meters per second

Answer Key: B

1.0 Points

Pitch is primarily dtermined by the ______ of the sound wave.

A.amplitude B.clarity C.decibels D.frequency

Answer Key: D

1.0 Points

Loudness of pure tones depends on frequency and sound pressure level can be shown graphically using

A.equal loudness curves B.timbre resonance curves C.receiver operating characteristic curves D.Fourier functions

Answer Key: A

1.0 Points

The bending of the cilia of the ______ causes a release of small bursts of neurotransmitter.

A.inner hair cells B.outer hair cells C.semicircular canals D.apex

Answer Key: A

1.0 Points

The auditory cortex is similar to the visual cortex in that

A.both have a core processing area and areas outside the core process more complex stimuli B.both receive input from the superior colliculus C.phase locking is important for both D.none of these, there are no major similarities

Answer Key: A

1.0 Points

The cochlear implant makes use of

A.phase locking mechanisms in the sound processor B.the tonotopic map of frequencies on the cochlea C.artificial ossicles D.resonance harmonics on the tectorial membrane

Answer Key: B

1.0 Points

A woman with parietal and frontal lobe damage could

A.recognize sounds but had trouble localizing the sound B.locate sounds but had trouble recognizing sounds C.locate and recognize sounds very well since the temporal lobe was intact D.did not recognize nor locate sounds

Answer Key: A

1.0 Points

Frequency can be coded by the firing rate at or near the peak of the sine-wave stimulus. This is called

A.motile response B.place theory C.phase locking D.Fourier analysis

Answer Key: C

1.0 Points

Auditory grouping can be accomplished by

A.similarity of timbre B.similarity of pitch C.location D.all of the above

Answer Key: D

1.0
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