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NBC HIS BOARD EXAM NEWEST 2025 ACTUAL EXAM|
COMPLETE REAL EXAM QUESTIONS AND CORRECT
VERIFIED ANSWERS/ GRADED A+| NBC HIS
BOARD EXAM REVIEW 2025/2026 (MOST RECENT!!)
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 - Correct 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 - Correct Answer - C. Compliance of the tympanum
A problem that may be caused by shrinking earmold tubing is:
A. Harmonic distortion
B. Changing response of the instrument
C. Increasing gain
pg. 1
, 2|Page
D. Soreness at top of pinna - Correct Answer - D. Soreness at top of
pinna
A hearing aid patient comes in complaining that his ITC aids were
working fine until he had them cleaned. Now they are weak and feeding
back and he is told the aids will have to be sent in for an out-of-warranty
repair, or purchase new aids. What is the MOST likely cause of the
problem?
A. Debris in microphone
B. Microphone pushed in
C. Receiver tubing pushed in
D. Wax on receiver - Correct Answer - C. Receiver tubing pushed in
A patient/client has new CICs. The patient's/client's previous instruments
were BTEs. How should the hearing healthcare professional counsel the
patient/client to hold the phone?
a) on the antitragus
b) behind the helix
c) above the pinna
d) over the concha - Correct Answer - d) over the concha
A hearing healthcare professional is performing tympanometry on a
patient/client who has a malfunctioning Eustachian tube. Which type of
tympanogram should be anticipated?
pg. 2
NBC HIS BOARD EXAM NEWEST 2025 ACTUAL EXAM|
COMPLETE REAL EXAM QUESTIONS AND CORRECT
VERIFIED ANSWERS/ GRADED A+| NBC HIS
BOARD EXAM REVIEW 2025/2026 (MOST RECENT!!)
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 - Correct 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 - Correct Answer - C. Compliance of the tympanum
A problem that may be caused by shrinking earmold tubing is:
A. Harmonic distortion
B. Changing response of the instrument
C. Increasing gain
pg. 1
, 2|Page
D. Soreness at top of pinna - Correct Answer - D. Soreness at top of
pinna
A hearing aid patient comes in complaining that his ITC aids were
working fine until he had them cleaned. Now they are weak and feeding
back and he is told the aids will have to be sent in for an out-of-warranty
repair, or purchase new aids. What is the MOST likely cause of the
problem?
A. Debris in microphone
B. Microphone pushed in
C. Receiver tubing pushed in
D. Wax on receiver - Correct Answer - C. Receiver tubing pushed in
A patient/client has new CICs. The patient's/client's previous instruments
were BTEs. How should the hearing healthcare professional counsel the
patient/client to hold the phone?
a) on the antitragus
b) behind the helix
c) above the pinna
d) over the concha - Correct Answer - d) over the concha
A hearing healthcare professional is performing tympanometry on a
patient/client who has a malfunctioning Eustachian tube. Which type of
tympanogram should be anticipated?
pg. 2
