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NBC-HIS Prep
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Exam of 5 pages for the course NBC-HIS Prep at NBC-HIS Prep (NBC-HIS Prep)
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NBC-HIS PREP COMPLETE DETAILEDCASE STUDY
o Most common cause of hearing loss at 4000 Hz - Acoustic Trauma
A mother comes in worried her hearing is worse since the birth of her first kid what is likely happening -
Otosclerosis
A large dip in the 6000Hz in only one ear with positive tone decay is indicative of - 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 - Receiver tubing is pushed in
How does an osteoma present - Bony growth in external auditory canal
This is a correct answer
Which validation method can be effectively performed in a sound field envoirnment? - NU-6
Which sound field test determines the benefit of directional microphones - QuickSIN
acoustic impedance - resistance a material provides to the passage of sound waves
During otoscopic inspection what is not a contraindication - Compliance of the tympanic membrane
What two thing verifies an audiogram - 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 - 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 - 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? - Expansion
Extending a receiver tubing past the isthmus will have what effect - Give more high frequencies give
more power help with feedback and wax
What does the microphone do in a hearing aid - Transducer that changes acoustic energy-electrical wave
form
Output - The highest intensity that the hearing aid can produce
Small diameter tubing has its greatest effect on - Decreasing High frequency gain
A patient has a severe to profound loss and doesnt mind a RIC/BTE what mold should be made - Full-
Shell
otosclerosis - hardening of the bony tissue of the middle ear, seen more often in women than men
represents, type As tympanogram is expected
Otitis Media: - BC= normal AC= Reverse slope- Type B tympanogram
Cookie Bite - This audiogram is a congenital pattern that can progress quickly over time, speech
discrimination may be good, Type A tympanogram
Mumps AKA: Single Sided Deafness - This pattern is referred to as Single Sided Deafness or Unilateral
Hearing Loss, The key is recognizing this in the case history. The person should report they have had this
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