NBC-HIS Prep Exam questions with 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
otosclerosis - CORRECT ANSWER-✔✔✅hardening of the bony tissue of the middle ear, seen more often
in women than men represents, type As tympanogram is expected
Otitis Media: - CORRECT ANSWER-✔✔✅BC= normal AC= Reverse slope- Type B tympanogram
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
otosclerosis - CORRECT ANSWER-✔✔✅hardening of the bony tissue of the middle ear, seen more often
in women than men represents, type As tympanogram is expected
Otitis Media: - CORRECT ANSWER-✔✔✅BC= normal AC= Reverse slope- Type B tympanogram
