Mod 24

Question 1

What determines loudness and how is it measured?

Answer 1

Amplitude; in decibels (every 10 decibels is a increase in intensity)

Question 2

What is frequency?

Answer 2

the rate at which a repeating event occurs over time

Question 3

What does frequency determine?

Answer 3

pitch

Question 4

How does sound travel throughout the outer ear?

Answer 4

They enter and course the eardrum to vibrate

Question 5

What is apart of the middle ear?

Answer 5

The ossicles

Question 6

What are the 3 ossicles?

Answer 6

Hammer
Anvil
Stirrup

Question 7

How does sound travel from the ossicles to what’s next?

Answer 7

They vibrate and relay them to the oval window

Question 8

What’s apart of the inner ear?

Answer 8

The cochlea and vestibular sacs

Question 9

What is the cochlea and what does it do?

Answer 9

It’s a coiled, bony, fluid filled tube in the inner ear.
It triggers nerve impulses

Question 10

What is sensorineural hearing loss?

Answer 10

damage to the cochleas receptor cells or auditory nerve

Question 11

What is conductive hearing loss?

Answer 11

damage to the middle ear that conducts sound waves to the cochlea

Question 12

What is the place theory?

Answer 12

Certain places along the cochlea basilars membrane get activated depending on the sound

Question 13

What is the frequency theory?

Answer 13

The brain reads pitch by monitoring the frequency of neural impulses that travel the auditory nerve