Lesson 9

Question 1

If the outer and middle ear parts are normal

Answer 1

air thresholds will equal the bone thresholds

Question 2

In bone conduction testing, the receiver should be

Answer 2

placed at the most sensitive spot on the mastoid of the test ear

Question 3

Sounds from the bone conduction receiver may stimulate the non-test ear at

Answer 3

10 dB or less

Question 4

A source of information that helps to identify which ear is responding to bone conduction stimuli is a)tympanometry b) acoustic reflux testing c) bone conduction with masking d) all of the above

Answer 4

all of the above

Question 5

Bone conduction testing directly stimulates

Answer 5

the cochlea

Question 6

Most conductive losses a) are medically correctable b) display a breakdown c) display good discrimination d) all of the above

Answer 6

all of the above

Question 7

Ambient noise in the environment during bone conduction testing will

Answer 7

affect the test results in the lower frequencies

Question 8

During the testing process, it is best to test bone conduction

Answer 8

after air conduction testing

Question 9

A conductive loss may be caused by a)perforations of tympanic membrane b) immobile middle ear ossicles c) otitis media d) all of the above

Answer 9

all of the above

Question 10

Bone conduction thresholds worse than air conduction thresholds may be caused by a) poor placement of the vibrator b) a skull fracture c) thickness of the skull d) all of the above

Answer 10

all of the above