Hearing Test

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1

What is Conduction deafness?

defect in external or middle ear, sound waves not transmitted in inner ear

2

What can cause conduction deafness?

blockage: usually ear wax, infection, rupture of tympanic membrane

3

What causes sensorineural deafness?

trauma to ear bones, congenital defect of inner ear

4

What are the two tests we performed in the experiment?

Weber test and Rinne test

5

How do you perform the Weber test?

activate tuning fork and place medially on head

6

How can you indicate that the Weber is resulting in sensorineural deafness?

only hear in good ear

7

If one ear is stronger in the Weber test, what does that mean?

Test subject may have conduction deafness.

8

How do you simulate conduction deafness?

place cotton ball in ear to block sound, activate tuning fork and place medially on head

9

how do you perform Rinne test?

For bone conduction: place tuning fork on mastoid process

For air conduction: place tuning fork mea external acoustic meatus

10

How can you tell its a positive result?

air conduction is louder than bone conduction

11

Negative result means:

bone conduction is louder than air conduction


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