COHN CLINICIAN EXAM WITH APPROVED QUESTIONS AND
ANSWERS | 2026LATESTV UPLOAD | 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 - correct answer-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.
C. protect the auditory canal.
D. receive neural input from the auditory nerve. - correct answer-A
The correct term for hearing loss induced by occupational exposure to noise is:
A. presbycusis.
B. sociocusis.
C. sensorineural loss.
D. conductive loss. - correct answer-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. - correct answer-A
The middle ear contains a group of bones called the:
A. stapes.
B. ossicles.
C. incus.
D. eustachian tubes. - correct answer-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 - correct answer-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. - correct answer-A
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 - correct answer-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 - correct answer-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
D. Audiometric testing - correct answer-D
The three layers of skin are:
A. Hair follicles, capillary, muscle
B. Epidermis, dermis, subcutaneous tissue
C. Epidermis, capillary, dermis
D. Cuticle, blood vessel, muscle - correct answer-B
A worker's hand has been exposed to liquid nitrogen. What is the correct first aid?
A. Immere hand in ice water
B. Immerse hand in warm water
C, Immerse hand in hot water
D. Pack hand in ice - correct answer-B
, A patient with headaches, nausea, vomiting, fatigue, jaundice and oliguria may have an
occupational disease caused by:
A. lead.
B, mercury.
C. carbon tetrachloride
D. hydrogen sulfide. - correct answer-C
After administering an injectionm the nurse suffers a minor needlestick injury. (S)he should
immediately:
A. call 911
B. notify the employer.
C. take two aspirin.
D. draw blood from the source individual. - correct answer-B
An employee sustains a head injury after a fall from a ladder. Which of the following in an
indicator of increasing intercranial pressure?
A. Elevated blood pressure and increased pulse
B. Elevated blood pressure and decreased pulse
C. Decreased blood pressure and decreased pulse
D. Decreased blood pressure and increased pulse - correct answer-B
Your patient is to receive a maintenance dose of digoxin 0.08 mg. The vial contains 0.05 mg
in 1 ml of solution. You administer:
A. 0.08 ml
B. 0.40 ml
C. 0.66 ml
D. 1.60 ml - correct answer-D
ANSWERS | 2026LATESTV UPLOAD | 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 - correct answer-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.
C. protect the auditory canal.
D. receive neural input from the auditory nerve. - correct answer-A
The correct term for hearing loss induced by occupational exposure to noise is:
A. presbycusis.
B. sociocusis.
C. sensorineural loss.
D. conductive loss. - correct answer-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. - correct answer-A
The middle ear contains a group of bones called the:
A. stapes.
B. ossicles.
C. incus.
D. eustachian tubes. - correct answer-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 - correct answer-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. - correct answer-A
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 - correct answer-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 - correct answer-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
D. Audiometric testing - correct answer-D
The three layers of skin are:
A. Hair follicles, capillary, muscle
B. Epidermis, dermis, subcutaneous tissue
C. Epidermis, capillary, dermis
D. Cuticle, blood vessel, muscle - correct answer-B
A worker's hand has been exposed to liquid nitrogen. What is the correct first aid?
A. Immere hand in ice water
B. Immerse hand in warm water
C, Immerse hand in hot water
D. Pack hand in ice - correct answer-B
, A patient with headaches, nausea, vomiting, fatigue, jaundice and oliguria may have an
occupational disease caused by:
A. lead.
B, mercury.
C. carbon tetrachloride
D. hydrogen sulfide. - correct answer-C
After administering an injectionm the nurse suffers a minor needlestick injury. (S)he should
immediately:
A. call 911
B. notify the employer.
C. take two aspirin.
D. draw blood from the source individual. - correct answer-B
An employee sustains a head injury after a fall from a ladder. Which of the following in an
indicator of increasing intercranial pressure?
A. Elevated blood pressure and increased pulse
B. Elevated blood pressure and decreased pulse
C. Decreased blood pressure and decreased pulse
D. Decreased blood pressure and increased pulse - correct answer-B
Your patient is to receive a maintenance dose of digoxin 0.08 mg. The vial contains 0.05 mg
in 1 ml of solution. You administer:
A. 0.08 ml
B. 0.40 ml
C. 0.66 ml
D. 1.60 ml - correct answer-D
