Exam (elaborations)
NBC-HIS SAMPLE BOARD QUESTIONS & ANSWERS
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NBC-HIS SAMPLE BOARD QUESTIONS & ANSWERS
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NBC-HIS SAMPLE BOARD QUESTIONS & ANSWERSC. Acoustic trauma - Answers- The MOST common cause of sudden loss of hearing at
4000Hz is:
A. Presbycusis
B. Noise induced
C. Acoustic trauma
D. Acoustic neuroma
D. Otosclerosis - Answers- A younger mother comes in concerned that her hearing has
gone down. In
taking her history, it's found that her mother also developed a hearing loss after
the birth of her first child. What would be the MOST probable etiology of this
problem?
A. Cholesteatoma
B. Otitis media
C. Meniere's disease
D. Otosclerosis
C. Otosclerosis - Answers- Which of the following conditions would NOT be a concern
in establishing a pure
tone air conduction threshold?
A. Collapsed eternal auditory meatus
B. Congenital atresia
C. Otosclerosis
D. Impacted cerumen
D. Ambient noise is more of a problem with insert earphones - Answers- Which of the
following statements is FALSE when talking about audiometric
testing?
A. Headphones and insert earphones should produce comparable results
B. Bone conductor placement can affect the test results
C. Insert earphones can give more accurate results when testing a collapsed
ear canal
D. Ambient noise is more of a problem with insert earphones
C. Concussion in the previous six months - Answers- During the course of taking a
case history, which of the following information is
LEAST important?
A. Any unilateral tinnitus experienced
B. Any vertigo symptoms
C. Concussion in the previous six months
D. Sudden hearing Loss
, C. A possible retrocochlear tumor - Answers- A large dip at 6000 Hz in one ear only,
with a positive tone decay, is indicative of:
A. Acute otitis media
B. Industrial deafness
C. A possible retrocochlear tumor
D. Acoustic trauma
B. Impedance audiometry - Answers- A patient who has worn hearing aids for a long
time reports to your office saying
that his ears are "stopped up." He recently had a cold.
Which of the following will give the MOST information about this patient's
complaint?
A. Real ear measurement
B. Impedance audiometry
C. Pure tone air conduction audiometry
D. Pure tone bone conduction audiometry
D. Dead instrument - Answers- When troubleshooting a hearing instrument, the battery
current drain was
measured.
A reading of 0.00 MA would MOST likely indicate which of the following?
A. Bad microphone
B. Bad receiver
C. Plugged acoustic filter
D. Dead instrument
C. Increase the compression ratio - Answers- Which programmable adjustment would
BEST help control loud sharp sounds?
A. Adjust the knee point higher
B. Reduce low frequencies
C. Increase the compression ratio
D. Reduce gain
C. Compliance of the tympanum - Answers- During otoscopic inspection, which ONE of
the following is NOT a consideration
for earmold selection?
A. Volume of acoustic cavity
B. Texture of auricle
C. Compliance of the tympanum
D. Depth of concha
c) conductive hearing loss - Answers- A patient/client has abnormal air conduction
thresholds and normal bone conduction thresholds. What do the test results indicate?
a) mixed hearing loss
b) no hearing loss
c) conductive hearing loss
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