NBC-HIS SAMPLE BOARD EXAM - REAL QUESTIONS WITH
ANSWERS - 2026 - EXAM PREP
C. ANSWER for Acoustic Trauma The most frequent reason for abrupt
hearing loss at 4000 Hz is:
A. Presbycusis
B. Noise-induced
C. Damage caused by sound
D. Acoustic neuromas
C. Having had a concussion within the last six months - ANSWER Which of
the following details is the least crucial to provide when taking a case history?
A. Any experience of unilateral tinnitus
B. Any signs of vertigo
C. A concussion within the last half-year
D. Abrupt Deafness
D. Otosclerosis - ANSWER A younger mother arrives worried about hearing
loss. Her mother likewise experienced hearing loss following the birth of her
first child, according to the information gathered from her medical history.
What would be the most likely cause of this issue?
A. Cholesteatoma
B. Media otitis
C. Disease of Meniere
D. Otosclerosis
C. ANSWER for Otosclerosis When determining a pure tone air conduction
threshold, which of the following conditions would NOT be an issue?
A. The everlasting auditory meatus collapsed
B. Atresia congenita
C. Otosclerosis
D. Affected cerumen
D. The issue with inserting earbuds is ambient noise - ANSWER When
discussing audiometric testing, which of the following claims is FALSE?
A. The outcomes of headphones and insert earphones ought to be similar.
B. The location of the bone conductor may impact the test outcomes.
C. When testing for a collapsed ear canal, inserting earphones can provide more
, precise results.
D. When using insert earbuds, ambient noise is a bigger issue.
C. A potential retrocochlear tumor- ANSWER A significant dip at 6000 Hz in a
single ear accompanied by a decay in positive tone is suggestive of:
Otitis media acute
B. Deafness in the workplace
C. A potential tumor of the retrocochlea
D. Trauma caused by sound
B. Impedance audiometry ANSWER A long-wearing patient comes into your
office complaining that his ears are "stopped up." He got a cold not long ago.
Regarding this patient's complaint, which of the following will provide the most
details?
A. Actual measurement of the ears
B. Audiometry of impedance
C. Audiometry of pure tone air conduction
D. Conduction audiometry of pure tone bone
D. Instrument dead - ANSWER The battery current drain was detected when
diagnosing a hearing aid.
Which of the following would MOST likely be indicated by a value of 0.00
MA?
A malfunctioning microphone
B. Poor recipient
C. The acoustic filter is blocked.
D. Instrument that is dead
C. Raise the compression ratio ANSWER Which programmed setting would
be most effective in reducing abrupt, loud noises?
A. Elevate the knee point.
B. Cut down on low frequencies
C. Raise the ratio of compression
D. Diminish the gain
C. Tympanum compliance - ANSWER Which of the following is NOT taken
into account when choosing an earmold during otoscopic examination?
A. Acoustic cavity volume
B. Auricle texture
C. Tympanum compliance
D. Concha depth
D. Pinna soreness at the top - ANSWER One issue that could result from
ANSWERS - 2026 - EXAM PREP
C. ANSWER for Acoustic Trauma The most frequent reason for abrupt
hearing loss at 4000 Hz is:
A. Presbycusis
B. Noise-induced
C. Damage caused by sound
D. Acoustic neuromas
C. Having had a concussion within the last six months - ANSWER Which of
the following details is the least crucial to provide when taking a case history?
A. Any experience of unilateral tinnitus
B. Any signs of vertigo
C. A concussion within the last half-year
D. Abrupt Deafness
D. Otosclerosis - ANSWER A younger mother arrives worried about hearing
loss. Her mother likewise experienced hearing loss following the birth of her
first child, according to the information gathered from her medical history.
What would be the most likely cause of this issue?
A. Cholesteatoma
B. Media otitis
C. Disease of Meniere
D. Otosclerosis
C. ANSWER for Otosclerosis When determining a pure tone air conduction
threshold, which of the following conditions would NOT be an issue?
A. The everlasting auditory meatus collapsed
B. Atresia congenita
C. Otosclerosis
D. Affected cerumen
D. The issue with inserting earbuds is ambient noise - ANSWER When
discussing audiometric testing, which of the following claims is FALSE?
A. The outcomes of headphones and insert earphones ought to be similar.
B. The location of the bone conductor may impact the test outcomes.
C. When testing for a collapsed ear canal, inserting earphones can provide more
, precise results.
D. When using insert earbuds, ambient noise is a bigger issue.
C. A potential retrocochlear tumor- ANSWER A significant dip at 6000 Hz in a
single ear accompanied by a decay in positive tone is suggestive of:
Otitis media acute
B. Deafness in the workplace
C. A potential tumor of the retrocochlea
D. Trauma caused by sound
B. Impedance audiometry ANSWER A long-wearing patient comes into your
office complaining that his ears are "stopped up." He got a cold not long ago.
Regarding this patient's complaint, which of the following will provide the most
details?
A. Actual measurement of the ears
B. Audiometry of impedance
C. Audiometry of pure tone air conduction
D. Conduction audiometry of pure tone bone
D. Instrument dead - ANSWER The battery current drain was detected when
diagnosing a hearing aid.
Which of the following would MOST likely be indicated by a value of 0.00
MA?
A malfunctioning microphone
B. Poor recipient
C. The acoustic filter is blocked.
D. Instrument that is dead
C. Raise the compression ratio ANSWER Which programmed setting would
be most effective in reducing abrupt, loud noises?
A. Elevate the knee point.
B. Cut down on low frequencies
C. Raise the ratio of compression
D. Diminish the gain
C. Tympanum compliance - ANSWER Which of the following is NOT taken
into account when choosing an earmold during otoscopic examination?
A. Acoustic cavity volume
B. Auricle texture
C. Tympanum compliance
D. Concha depth
D. Pinna soreness at the top - ANSWER One issue that could result from
