Hearing Flashcards
1
Q
The two types of hearing loss and how many Dbz (decibels) causes permanent damage?
A
The two types of hearing losses is temporary and permanent. Temporary may be caused by ear infections or colds, after which hearing recovers. Permanent can be present at birth or occur if the ear is damaged or diseased.
140Dbz causes permanent damage.
2
Q
What is the hearing range of a healthy young person?
A
The hearing range of a healthy young person is 20Hz to 20,000Hz