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SHS 311 FINAL EXAM QUESTIONS AND REVISED ANSWERS (ALL ARE CORRECT) 2024 LATEST UPDATE $12.99   Add to cart

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SHS 311 FINAL EXAM QUESTIONS AND REVISED ANSWERS (ALL ARE CORRECT) 2024 LATEST UPDATE

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SHS 311 FINAL EXAM QUESTIONS AND REVISED ANSWERS (ALL ARE CORRECT) 2024 LATEST UPDATE What is the frequency of a standing wave proportional to? - Answer- Length of string What are two graphs used to describe a sound in the Frequency Domain? - Answer- Phase spectrum and amplitude spectrum Wh...

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SHS 311 FINAL EXAM QUESTIONS AND
REVISED ANSWERS (ALL ARE
CORRECT) 2024 LATEST UPDATE

What is the frequency of a standing wave proportional to? - Answer- Length of string

What are two graphs used to describe a sound in the Frequency Domain? - Answer-
Phase spectrum and amplitude spectrum

When phase difference changes, what else changes? - Answer- Both the time domain
and frequency domain descriptions will change

What is a high-pass filter? - Answer- the amplitude of sinusoidal components with freqs
below 2000 Hz are attenuated

Which peak of a sound pressure waveform generates the greatest positive pressure? -
Answer- condensation

What function does the external auditory canal play in helping make the peripheral
auditory system sensitive? - Answer- It produces standing waves

blockage of the eustachian tube leads to - Answer- an inefficient movemnt of the
ossicular chain

The all-or-none law of neural function states - Answer- all action potentials have the
same shape

Where is endolymph found - Answer- Scala media

What biological transducer is located between tectorial and basilar membranes -
Answer- inner hair cells

A "tip-link" is: - Answer- Connections between hair cell stereocillia

If outer hair cells were missing from the apical region of the Organ of Corti, which
statement indicates what the consequence for hearing might be? - Answer- There would
be no compressive nonlinearity in the region of maximum displacement

If outer hair cells were destroyed: - Answer- one would lose a lot of their ability to tell
one frequency from another

, Inner hair cells are: - Answer- the biological transducer for hearing

Outer hair cells: - Answer- change size when stimulated

outer hair cell motility: - Answer- affects the connection between tectorial and basilar
membrane

The OAE is probably caused by: - Answer- the motility of outer hair cells

Auditory nerve efferent fibers come from - Answer- Olivary complex

The type II outer spiral auditory nerve fibers connect to hair cells as: - Answer- one
nerve fiber connects to many outer hair cells

The rate-level function: - Answer- plots neural firing rate vs. sound level

spontaneous firing rate in the auditory nerve: - Answer- is different for different auditory

What is plotted in a PST histogram - Answer- frequency of occurence of action
potentials vs time after sound onset

If an ISI histogram has peaks at 2, 4, 6, 8 msec, what is the tonal frequency? - Answer-
500 Hz

The eustacian tube helps solve what problem: - Answer- keeping equal pressure on
each side of the Tympanic Membrane

What is spontaneous activity? - Answer- neural responses in the absence of sound

What is the helicotrema? - Answer- opening at the apex of the cochlea

What is the first brainstem site where significant bilateral interaction occurs? - Answer-
olivary complex

What provides for the metabolic energy for the inner ear? - Answer- stria vascularis

The PST histogram: - Answer- shows a large response at stimulus onset

How does an MAF calibration procedure differ from a MAP calibration procedufre? -
Answer- MAP is for calibrating headphones and MAF is for calibrating loudspeakers

What is plotted on a psychometric function? - Answer- measure of performance as a
function of a physical value of the stimulus

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