NBC HIS Certification Exam With Correct Questions And Answers
Question : Most common cause of hearing loss at 4000 Hz
CORRECT ANSWER : Acoustic Trauma
Question : A mother comes in worried her hearing is worse
since the birth of her first kid what is likely happening
CORRECT ANSWER : Otosclerosis
Question : A large dip in the 6000Hz in only one ear with
positive tone decay is indicative of
CORRECT ANSWER : Possible retro-cochlear tumor
Question : 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
Question : How does an osteoma present
CORRECT ANSWER : Bony growth in external auditory
canal
Question : Which validation method can be effectively
performed in a sound field envoirnment?
CORRECT ANSWER : NU-6
Question : Which sound field test determines the benefit of
directional microphones
CORRECT ANSWER : QuickSIN
Question : acoustic impedance
CORRECT ANSWER : resistance a material provides to the
passage of sound waves
Question : During otoscopic inspection what is not a
contraindication
CORRECT ANSWE R: Compliance of the tympanic
membrane
Question : What two thing verifies an audiogram
CORRECT ANSWER : SRT and PTA have to agree (Must
be within 5-10 decibels of each other
Question : 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
Question : 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
Question : 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 ANSWE R: Expansion
Question : 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
Question : What does the microphone do in a hearing aid
CORRECT ANSWER : Transducer that changes acoustic
energy-electrical wave form
Question : Output
CORRECT ANSWER : The highest intensity that the
hearing aid can produce
Question : Small diameter tubing has its greatest effect on
CORRECT ANSWER : Decreasing High frequency gain
Question : A patient has a severe to profound loss and doesnt
mind a RIC/BTE what mold should be made
