NBC-HIS Prep 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
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