NBC-HIS Prep UPDATED ACTUAL
Questions and CORRECT Answers
Most common cause of hearing loss at 4000 Hz - CORRECT ANSWER - Acoustic
Trauma
A mother comes in worried her hearing is worse since the birth of her first kid what is likely
happening - CORRECT ANSWER - Otosclerosis
A large dip in the 6000Hz in only one ear with positive tone decay is indicative of - CORRECT
ANSWER - Possible retro-cochlear tumor
Patient comes in complaining his hearing aids worked fine until they were cleaned, now they are
weak and feeding back what is the likely cause of this problem - CORRECT ANSWER -
Receiver tubing is pushed in
How does an osteoma present - CORRECT ANSWER - Bony growth in external auditory
canal
This is a correct answer
Which validation method can be effectively performed in a sound field envoirnment? -
CORRECT ANSWER - NU-6
Which sound field test determines the benefit of directional microphones - CORRECT
ANSWER - QuickSIN
acoustic impedance - CORRECT ANSWER - resistance a material provides to the passage
of sound waves
During otoscopic inspection what is not a contraindication - CORRECT ANSWER -
Compliance of the tympanic membrane
, What two thing verifies an audiogram - CORRECT ANSWER - SRT and PTA have to
agree (Must be within 5-10 decibels of each other
A patient brings his hearing aids in to be cleaned and sets them on the counter what type of
transmission should the receptionist be concerned about - CORRECT ANSWER - Indirect
Transmission
A patient comes in for a hearing evaluation otoscopy was clear and the results showed
symmetrical precipitous high frequency hearing loss what type of coupler should be used -
CORRECT ANSWER - Open-dome
A patient comes in for a second follow-up and complains that sounds like the furnace and the
fans are too loud and annoying which feature should be adjusted? - CORRECT
ANSWER - Expansion
Extending a receiver tubing past the isthmus will have what effect - CORRECT
ANSWER - Give more high frequencies give more power help with feedback and wax
What does the microphone do in a hearing aid - CORRECT ANSWER - Transducer that
changes acoustic energy-electrical wave form
Output - CORRECT ANSWER - The highest intensity that the hearing aid can produce
Small diameter tubing has its greatest effect on - CORRECT ANSWER - Decreasing High
frequency gain
A patient has a severe to profound loss and doesnt mind a RIC/BTE what mold should be made -
CORRECT ANSWER - Full-Shell
Questions and CORRECT Answers
Most common cause of hearing loss at 4000 Hz - CORRECT ANSWER - Acoustic
Trauma
A mother comes in worried her hearing is worse since the birth of her first kid what is likely
happening - CORRECT ANSWER - Otosclerosis
A large dip in the 6000Hz in only one ear with positive tone decay is indicative of - CORRECT
ANSWER - Possible retro-cochlear tumor
Patient comes in complaining his hearing aids worked fine until they were cleaned, now they are
weak and feeding back what is the likely cause of this problem - CORRECT ANSWER -
Receiver tubing is pushed in
How does an osteoma present - CORRECT ANSWER - Bony growth in external auditory
canal
This is a correct answer
Which validation method can be effectively performed in a sound field envoirnment? -
CORRECT ANSWER - NU-6
Which sound field test determines the benefit of directional microphones - CORRECT
ANSWER - QuickSIN
acoustic impedance - CORRECT ANSWER - resistance a material provides to the passage
of sound waves
During otoscopic inspection what is not a contraindication - CORRECT ANSWER -
Compliance of the tympanic membrane
, What two thing verifies an audiogram - CORRECT ANSWER - SRT and PTA have to
agree (Must be within 5-10 decibels of each other
A patient brings his hearing aids in to be cleaned and sets them on the counter what type of
transmission should the receptionist be concerned about - CORRECT ANSWER - Indirect
Transmission
A patient comes in for a hearing evaluation otoscopy was clear and the results showed
symmetrical precipitous high frequency hearing loss what type of coupler should be used -
CORRECT ANSWER - Open-dome
A patient comes in for a second follow-up and complains that sounds like the furnace and the
fans are too loud and annoying which feature should be adjusted? - CORRECT
ANSWER - Expansion
Extending a receiver tubing past the isthmus will have what effect - CORRECT
ANSWER - Give more high frequencies give more power help with feedback and wax
What does the microphone do in a hearing aid - CORRECT ANSWER - Transducer that
changes acoustic energy-electrical wave form
Output - CORRECT ANSWER - The highest intensity that the hearing aid can produce
Small diameter tubing has its greatest effect on - CORRECT ANSWER - Decreasing High
frequency gain
A patient has a severe to profound loss and doesnt mind a RIC/BTE what mold should be made -
CORRECT ANSWER - Full-Shell
