Auditory System

Question 1

Presbycusis

Answer 1

Reduced sensitivity to high frequencies with age

Question 2

Inner Hair Cells

Answer 2

Transduce sound info

Question 3

Outer Hair Cells

Answer 3

Sound discrimination

Question 4

Hair cell Cilia movement

Answer 4

Added tension in the protein bridge increases the open probability of the mechanically gated channel.

Question 5

Low Frequencies

Answer 5

stimulate basilar membrane away from the oval window

Question 6

High Frequencies

Answer 6

Stimulate near the oval window