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NBC-HIS Study Guide, NBC-HIS Sample Board questions | Most Recent Exam Actual Complete Real Exam Questions And Correct Answers (Verified Answers) Already Graded A+ | Guaranteed Success!! Newest Exam | Just Released!!

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NBC-HIS Study Guide, NBC-HIS Sample Board questions | Most Recent Exam Actual Complete Real Exam Questions And Correct Answers (Verified Answers) Already Graded A+ | Guaranteed Success!! Newest Exam | Just Released!! NBC-HIS Study Guide, NBC-HIS Sample Board questions | Most Recent Exam Actual Complete Real Exam Questions And Correct Answers (Verified Answers) Already Graded A+ | Guaranteed Success!! Newest Exam | Just Released!! NBC-HIS Study Guide, NBC-HIS Sample Board questions | Most Recent Exam Actual Complete Real Exam Questions And Correct Answers (Verified Answers) Already Graded A+ | Guaranteed Success!! Newest Exam | Just Released!! NBC-HIS Study Guide, NBC-HIS Sample Board questions | Most Recent Exam Actual Complete Real Exam Questions And Correct Answers (Verified Answers) Already Graded A+ | Guaranteed Success!! Newest Exam | Just Released!!

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NBC-HIS Study Guide, NBC-HIS Sample Board questions | Most
Recent Exam 2026-2027 Actual Complete Real Exam Questions
And Correct Answers (Verified Answers) Already Graded A+ |
Guaranteed Success!! Newest Exam | Just Released!!




The MOST common cause of sudden loss of hearing at 4000Hz
is:
A. Presbycusis

B. Noise induced

C. Acoustic trauma

D. Acoustic neuroma - ANSWER -C. Acoustic trauma



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 - ANSWER -C. Concussion in the

previous six months


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 - ANSWER -D. Otosclerosis



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 - ANSWER -C.
Otosclerosis


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 -

ANSWER -D. Ambient noise is more of a problem with insert
earphones

,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 - ANSWER -C. A possible retrocochlear

tumor


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 - ANSWER -
B. Impedance
audiometry


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 - ANSWER -D. Dead instrument



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 - ANSWER -C. Increase the
compression ratio


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 - ANSWER -C. Compliance of the tympanum



A problem that may be caused by shrinking
earmold tubing is:
A. Harmonic
distortion

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