COHN Clinician Latest Actual Exam
Questions with Verified Detailed
Answers | Already Graded A+
One of the problems with the old method of using cotton earplugs was the
cerumen. Cerumen is also detrimental to some of the modern earplugs.
What is cerumen?
A. Ear canal hair cells
B. Earwax.
C. Fluids secreted by the cochlea
D. Secretions of the hypothalamus - ✔✔B
The cochlea is essentially a coiled tube. At one end of the tube is the oval
window. The function of the oval window is to:
A. receive the vibrations from the eardrum.
B. shield the semicircular canals from interference.
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,C. protect the auditory canal.
D. receive neural input from the auditory nerve. - ✔✔A
The correct term for hearing loss induced by occupational exposure to
noise is:
A. presbycusis.
B. sociocusis.
C. sensorineural loss.
D. conductive loss. - ✔✔C
The main part of the body involved in maintaining the body's heat balance
is the:
A. skin.
B. heart.
C. lungs.
D. hair. - ✔✔A
The middle ear contains a group of bones called the:
A. stapes.
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©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
,B. ossicles.
C. incus.
D. eustachian tubes. - ✔✔B
Which of the following parts of the ear contain the hair-like cells that detect
sound?
A. Semicircular canals
B. Cochlea
C. Stapes
D. Anvil - ✔✔B
The risk of developing active pulmonary tuberculosis is substantially
increased by exposure to:
A. free crystalline silica dust.
B. alpha radiation.
C. arsenic.
D. asbestos. - ✔✔A
3
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
, Which of the following occupations is least likely to experience problems
with occupational dermatoses?
A. Leather Tanning
B. Lumbering
C. Asbestos processing
D. Farm labor - ✔✔C
Which of the following is likely to increase susceptibility to skin disorders?
A. Dry skin
B. Oily skin
C. Fair skin
D. All of the above - ✔✔D
Which of the following is most appropriate in the routine examination of a
machinist?
A. Exercise stress test
B. Serum protease inhibitor level
C. Allergy history assessment
4
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
Questions with Verified Detailed
Answers | Already Graded A+
One of the problems with the old method of using cotton earplugs was the
cerumen. Cerumen is also detrimental to some of the modern earplugs.
What is cerumen?
A. Ear canal hair cells
B. Earwax.
C. Fluids secreted by the cochlea
D. Secretions of the hypothalamus - ✔✔B
The cochlea is essentially a coiled tube. At one end of the tube is the oval
window. The function of the oval window is to:
A. receive the vibrations from the eardrum.
B. shield the semicircular canals from interference.
1
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
,C. protect the auditory canal.
D. receive neural input from the auditory nerve. - ✔✔A
The correct term for hearing loss induced by occupational exposure to
noise is:
A. presbycusis.
B. sociocusis.
C. sensorineural loss.
D. conductive loss. - ✔✔C
The main part of the body involved in maintaining the body's heat balance
is the:
A. skin.
B. heart.
C. lungs.
D. hair. - ✔✔A
The middle ear contains a group of bones called the:
A. stapes.
2
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
,B. ossicles.
C. incus.
D. eustachian tubes. - ✔✔B
Which of the following parts of the ear contain the hair-like cells that detect
sound?
A. Semicircular canals
B. Cochlea
C. Stapes
D. Anvil - ✔✔B
The risk of developing active pulmonary tuberculosis is substantially
increased by exposure to:
A. free crystalline silica dust.
B. alpha radiation.
C. arsenic.
D. asbestos. - ✔✔A
3
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
, Which of the following occupations is least likely to experience problems
with occupational dermatoses?
A. Leather Tanning
B. Lumbering
C. Asbestos processing
D. Farm labor - ✔✔C
Which of the following is likely to increase susceptibility to skin disorders?
A. Dry skin
B. Oily skin
C. Fair skin
D. All of the above - ✔✔D
Which of the following is most appropriate in the routine examination of a
machinist?
A. Exercise stress test
B. Serum protease inhibitor level
C. Allergy history assessment
4
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
