NBC-HIS Exam 2025 Questions and Answers
The MOST common cause of sudden loss of hearing at 4000Hz is:
A. Presbycusis
B. Noise Induced
C. Acoustic Trauma
D. Acoustic Neuroma - ANS C. Acoustic Trauma
During the course of taking a care history, which if the following is LEAST important?
A. Any unilateral tinnitus experienced
B. Any vertigo symptoms
C. Concussion in the previous six months
D. Sudden hearing loss - ANS C. Concussion in the previous six months
Younger mother comes I'm concerned that her hearing has gone down. And 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 ideology of this problem?
A. Cholesteatoma
B. Otitis media
C. Ménière's disease
D. Otosclerosis - ANS D. Otosclerosis
Which of the following conditions would NOT be a concern in establishing a pure tone, air
conduction threshold?
Pg. 1 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
, A. Collapsed eternal auditory meatus
B. Congenital atresia
C. Otosclerosis
D. Impacted cerumen - ANS 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 ear phones. - ANS D. Ambient noise is
more of a problem with insert ear phones.
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. - ANS C. A possible retrocochlear tumor.
A patient who is 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 complaint?
A. Real ear measurement.
B. Impedance audiometry
C. Pure tone air conduction audiometry
D. Pure tone bone conduction audiometry - ANS 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?
Pg. 2 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
The MOST common cause of sudden loss of hearing at 4000Hz is:
A. Presbycusis
B. Noise Induced
C. Acoustic Trauma
D. Acoustic Neuroma - ANS C. Acoustic Trauma
During the course of taking a care history, which if the following is LEAST important?
A. Any unilateral tinnitus experienced
B. Any vertigo symptoms
C. Concussion in the previous six months
D. Sudden hearing loss - ANS C. Concussion in the previous six months
Younger mother comes I'm concerned that her hearing has gone down. And 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 ideology of this problem?
A. Cholesteatoma
B. Otitis media
C. Ménière's disease
D. Otosclerosis - ANS D. Otosclerosis
Which of the following conditions would NOT be a concern in establishing a pure tone, air
conduction threshold?
Pg. 1 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
, A. Collapsed eternal auditory meatus
B. Congenital atresia
C. Otosclerosis
D. Impacted cerumen - ANS 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 ear phones. - ANS D. Ambient noise is
more of a problem with insert ear phones.
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. - ANS C. A possible retrocochlear tumor.
A patient who is 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 complaint?
A. Real ear measurement.
B. Impedance audiometry
C. Pure tone air conduction audiometry
D. Pure tone bone conduction audiometry - ANS 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?
Pg. 2 Copyright © 2025 Jasonmcconell. ALL RIGHTS RESERVED.
