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Homework answers / question archive / Question 1 1 / 1 pts The amplitude of a sound is the    amount of sound energy falling on a unit area

Question 1 1 / 1 pts The amplitude of a sound is the    amount of sound energy falling on a unit area

Psychology

Question 1

1 / 1 pts

The amplitude of a sound is the

  

amount of sound energy falling on a unit area.

   

intensity of the sound.

   

pitch.

   

psychological aspect of sound related to frequency.

   

magnitude of displacement of a sound pressure wave.

Question 3

1 / 1 pts

The purpose of the ear canal is to

  

keep the pressure inside the ear comfortable.

   

All of the answers are correct

   

prevent damage to the tympanic membrane.

   

transduce sound waves into electric signals.

   

transmit information from the brain back to the ear.

 

 

Question 4

1 / 1 pts

The acoustic reflex protects the ear from intense sounds by

  

opening the oval window to transmit vibration.

   

contraction of the stapedius and tensor tympani muscles.

   

transmitting loud noises back to the ear canal.

   

transmitting only low-frequency sounds to the brain.

   

stiffening the round tympanic membrane.

Question 6

1 / 1 pts

A(n) _______ is a map plotting the thresholds of a neuron or fiber in response to sine waves with varying frequencies at the lowest intensity that will give rise to a response.

  

characteristic frequency

   

isointensity function

   

threshold tuning curve

  

None of the other answers are correct

   

spectrum

Question 8

1 / 1 pts

The belt area has neurons that respond to

  

simple characteristics of sound.

   

more complex characteristics of sound.

   

low frequencies only.

  

particular frequencies.

   

language.

Question 10

1 / 1 pts

Which of the following is not a cause of hearing loss?

  

Otosclerosis

  

Use of ototoxic drugs

   

Otitis media

   

Masking

 

Excessive exposure to noise

 

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