NBC-HIS Prep Comprehensive
Questions with Verified
Answers Graded A+
Most common cause of hearing loss at 4000 Hz - Answer: Acoustic Trauma
A mother comes in worried her hearing is worse since the birth of her first kid what is likely
happening - Answer: Otosclerosis
A large dip in the 6000Hz in only one ear with positive tone decay is indicative of - 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 - Answer: Receiver tubing is
pushed in
How does an osteoma present - Answer: Bony growth in external auditory canal
This is a correct answer
Which validation method can be effectively performed in a sound field envoirnment? - Answer:
NU-6
Which sound field test determines the benefit of directional microphones - Answer: QuickSIN
, acoustic impedance - Answer: resistance a material provides to the passage of sound waves
During otoscopic inspection what is not a contraindication - Answer: Compliance of the
tympanic membrane
What two thing verifies an audiogram - 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 - 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 -
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? - Answer: Expansion
Extending a receiver tubing past the isthmus will have what effect - Answer: Give more high
frequencies give more power help with feedback and wax
What does the microphone do in a hearing aid - Answer: Transducer that changes acoustic
energy-electrical wave form
Output - Answer: The highest intensity that the hearing aid can produce
Small diameter tubing has its greatest effect on - Answer: Decreasing High frequency gain
Questions with Verified
Answers Graded A+
Most common cause of hearing loss at 4000 Hz - Answer: Acoustic Trauma
A mother comes in worried her hearing is worse since the birth of her first kid what is likely
happening - Answer: Otosclerosis
A large dip in the 6000Hz in only one ear with positive tone decay is indicative of - 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 - Answer: Receiver tubing is
pushed in
How does an osteoma present - Answer: Bony growth in external auditory canal
This is a correct answer
Which validation method can be effectively performed in a sound field envoirnment? - Answer:
NU-6
Which sound field test determines the benefit of directional microphones - Answer: QuickSIN
, acoustic impedance - Answer: resistance a material provides to the passage of sound waves
During otoscopic inspection what is not a contraindication - Answer: Compliance of the
tympanic membrane
What two thing verifies an audiogram - 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 - 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 -
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? - Answer: Expansion
Extending a receiver tubing past the isthmus will have what effect - Answer: Give more high
frequencies give more power help with feedback and wax
What does the microphone do in a hearing aid - Answer: Transducer that changes acoustic
energy-electrical wave form
Output - Answer: The highest intensity that the hearing aid can produce
Small diameter tubing has its greatest effect on - Answer: Decreasing High frequency gain