NBC-HIS Exam Prep Newest 2026 Questions and
Correct Detailed Answers Already Graded A+
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. - CORRECT
ANSWER-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. - CORRECT ANSWER-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 - CORRECT 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. - CORRECT ANSWER-D. Dead instrument.
The MOST common cause of sudden loss of hearing at 4000Hz is:
A. Presbycusis
Correct Detailed Answers Already Graded A+
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. - CORRECT
ANSWER-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. - CORRECT ANSWER-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 - CORRECT 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. - CORRECT ANSWER-D. Dead instrument.
The MOST common cause of sudden loss of hearing at 4000Hz is:
A. Presbycusis
