review of 401

Question 1

audiogram review

Answer 1

-normal hearing loss is 25 dB for adults and 20 dB for pediatrics
-250 to 8000 Hz for range
-air conduction (supra aural headphones)
-bone conduction (vibrates cochlea, skips outer and middle ear)

Question 2

sensorineural hearing loss

Answer 2

obstruction or damage in either the cochlea, V|||the nerve or pathways to the brain
-outer and middle are normal
-usually permanent in nature
-AC is abnormal
-BC is abnormal
-no air bone gaps

Question 3

conductive hearing loss

Answer 3

problem in outer ear, middle ear or both
-cochlea is normal
-usually temporary
-AC is abnormal
-BC is normal
-presents with air bone gap

Question 4

mixed hearing loss

Answer 4

damage in wither outer or middle AND inner ear
-AC is abnormal
-BC is abnormal
-air bone gap is present

Question 5

audiological examination

Answer 5

audiogram, determination of speech recognition thresholds, and assessment of speech recognition in quiet and noise

Question 6

hearing related difficulties

Answer 6

structures, unstructured case history and other interviews, questionnaires, structures or unstructured communication, identify activity limitations and participation

Question 7

air conduction

Answer 7

when sound travels through the air into external auditory canal
-insert headphones
-supra-aural headphones
-sound field

Question 8

bone conduction

Answer 8

transmission of sound through the bones in the skull

Question 9

air bone gap

Answer 9

difference between air conduction and bone conduction
-10 dB or greater

Question 10

right ear marks on audiogram

Answer 10

AC : o, triangle
BC : < , [

Question 11

left ear marks on audiogram

Answer 11

AC : x, box
BC : >, ]