How Hearing Works

The cochlea is a structure of the:

• inner ear

• middle ear

• outer ear

When we hear a sound, we may jump because the auditory area of the brain has a reflex component.

• True

• False

The pinna is part of the:

• inner ear

• middle ear

• outer ear

Which structure of the ear contains the fluid and the sensory hair cells?

• tympanic membrane

• cochlea

• ossicles

What does "these hair cells do not regenerate,"  mean?

• The hair cells cannot regrow to replace damaged cells.

• New hair cells can replace damaged cells.

Degeneration of sensory hair cells leads to:

• total deafness.

• changes in sound frequency.

What is the sound level (in decibels) that can lead to damage of the inner ear?

• 85 dB

• 105 dB

• 65 dB

The scientific study of hearing and hearing loss is called:

• audiology

• ossicology

• neurology