Parts Of Eye Flashcards
1
Q
Healthy hearing range for young people
A
20hz to 20khz
2
Q
What does the Ossicles do?
A
Bones that transmit vibrations to the inner ear
3
Q
What part of the ear gives balance
A
Semi-circular canals
4
Q
What is used to sense linear acceleration
A
Otoliths
5
Q
What is the name given to age related hearing loss
A
Presbycusis
6
Q
What is the first action level
A
80db. Employer must provide protection and risk assess
7
Q
What is the second action level
A
85db. Must do what they can to reduce noise. Signage
8
Q
How much do ear plugs reduce sound
A
20db
9
Q
How much do ear defenders reduce noise
A
40db
10
Q
Immediate and final hearing damage occurs when?
A
150db
