NATIONAL BOARD FOR CERTIFICATION IN HEARING
INSTRUMENT SCIENCES (NBS-HIS) SAMPLE BOARD
QUESTIONS WITH VERIFIED SOLUTIONS + GRADED
2025 EDITION.
A realtor with a bilateral ski slope loss comes into the office complaining
of
hearing difficulties at meetings, in the car, from room to room, and in
crowds. He
states that he does not want to wear a hearing instrument.
Which of the following is the MOST important factor in fitting this man
successfully?
A. Selection of proper hearing instrument
B. Encouraging him to use two aids
C. His ability to accept the hearing loss and his need for help
D. Possible financial ramifications of impairment
C. His ability to accept the hearing loss and his need for help
A hearing healthcare professional sends a custom hearing instrument to
the repair lab. The lab completes the necessary repairs and sends
documentation about the repairs that were completed, the
previous/current settings, and a read-out of the repaired instrument.
Which step should the hearing healthcare professional take next?
a) deliver the repaired instrument to the patient/client as soon as possible
b) perform a listening check for connectivity and program settings
c) put a fresh battery in the bag with the instrument
d) package and invoice with a patient/client copy of the program settings
b) perform a listening check for connectivity and program settings
, 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
d) over the concha
During otoscopy, which location should the hearing healthcare
professional brace with the hand that is NOT holding the otoscope?
a) the head behind and below and pinna while pulling up and forward on
the pinna
b) directly over the pinna while pulling down and forward on the pinna
c) the head behind and above the pinna while pulling up and back on the
pinna
d) the head at the top of the pinna while pulling down and back on the
pinna
d) the head at the top of the pinna while pulling down and back on the pinna
What should be the most important factor when choosing an appropriate
otoblock?
a) the length required for the impression
b) the impression material being used
c) the diameter of the ear canal
d) the shape of the ear canal
c) the diameter of the ear canal
What should a hearing healthcare professional do immediately after
placing an otoblock?
a) use an earlight to verify that the otoblock is deep enough
INSTRUMENT SCIENCES (NBS-HIS) SAMPLE BOARD
QUESTIONS WITH VERIFIED SOLUTIONS + GRADED
2025 EDITION.
A realtor with a bilateral ski slope loss comes into the office complaining
of
hearing difficulties at meetings, in the car, from room to room, and in
crowds. He
states that he does not want to wear a hearing instrument.
Which of the following is the MOST important factor in fitting this man
successfully?
A. Selection of proper hearing instrument
B. Encouraging him to use two aids
C. His ability to accept the hearing loss and his need for help
D. Possible financial ramifications of impairment
C. His ability to accept the hearing loss and his need for help
A hearing healthcare professional sends a custom hearing instrument to
the repair lab. The lab completes the necessary repairs and sends
documentation about the repairs that were completed, the
previous/current settings, and a read-out of the repaired instrument.
Which step should the hearing healthcare professional take next?
a) deliver the repaired instrument to the patient/client as soon as possible
b) perform a listening check for connectivity and program settings
c) put a fresh battery in the bag with the instrument
d) package and invoice with a patient/client copy of the program settings
b) perform a listening check for connectivity and program settings
, 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
d) over the concha
During otoscopy, which location should the hearing healthcare
professional brace with the hand that is NOT holding the otoscope?
a) the head behind and below and pinna while pulling up and forward on
the pinna
b) directly over the pinna while pulling down and forward on the pinna
c) the head behind and above the pinna while pulling up and back on the
pinna
d) the head at the top of the pinna while pulling down and back on the
pinna
d) the head at the top of the pinna while pulling down and back on the pinna
What should be the most important factor when choosing an appropriate
otoblock?
a) the length required for the impression
b) the impression material being used
c) the diameter of the ear canal
d) the shape of the ear canal
c) the diameter of the ear canal
What should a hearing healthcare professional do immediately after
placing an otoblock?
a) use an earlight to verify that the otoblock is deep enough
