COHN Clinician Questions and Verified

COHN Clinician Questions and Verified Answers, 100% Guarantee Pass (Latest 2025) 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?

• Ear canal hair cells
• Earwax.
• Fluids secreted by the cochlea
• Secretions of the hypothalamus - Correct Answers ✅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:

• receive the vibrations from the eardrum.
• shield the semicircular canals from interference.
• protect the auditory canal.
• receive neural input from the auditory nerve. - Correct

Answers ✅A The correct term for hearing loss induced by occupational

exposure to noise is:

• presbycusis.
• sociocusis.
• sensorineural loss.
• conductive loss. - Correct Answers ✅C 1 / 4

COHN Clinician Questions and Verified Answers, 100% Guarantee Pass (Latest 2025) The main part of the body involved in maintaining the body's

heat balance is the:

• skin.
• heart.
• lungs.
• hair. - Correct Answers ✅A

The middle ear contains a group of bones called the:

• stapes.
• ossicles.
• incus.
• eustachian tubes. - Correct Answers ✅B

Which of the following parts of the ear contain the hair-like cells that detect sound?

• Semicircular canals
• Cochlea
• Stapes
• Anvil - Correct Answers ✅B

The risk of developing active pulmonary tuberculosis is

substantially increased by exposure to: 2 / 4

COHN Clinician Questions and Verified Answers, 100% Guarantee Pass (Latest 2025)

• free crystalline silica dust.
• alpha radiation.
• arsenic.
• asbestos. - Correct Answers ✅A

Which of the following occupations is least likely to experience problems with occupational dermatoses?

• Leather Tanning
• Lumbering
• Asbestos processing
• Farm labor - Correct Answers ✅C

Which of the following is likely to increase susceptibility to skin disorders?

• Dry skin
• Oily skin
• Fair skin
• All of the above - Correct Answers ✅D

Which of the following is most appropriate in the routine examination of a machinist?

• Exercise stress test
• Serum protease inhibitor level 3 / 4

COHN Clinician Questions and Verified Answers, 100% Guarantee Pass (Latest 2025)

• Allergy history assessment
• Audiometric testing - Correct Answers ✅D

The three layers of skin are:

• Hair follicles, capillary, muscle
• Epidermis, dermis, subcutaneous tissue
• Epidermis, capillary, dermis
• Cuticle, blood vessel, muscle - Correct Answers ✅B

A worker's hand has been exposed to liquid nitrogen. What is the correct first aid?

• Immere hand in ice water
• Immerse hand in warm water

C, Immerse hand in hot water

• Pack hand in ice - Correct Answers ✅B

A patient with headaches, nausea, vomiting, fatigue, jaundice

and oliguria may have an occupational disease caused by:

• lead.

B, mercury.

• carbon tetrachloride
• hydrogen sulfide. - Correct Answers ✅C
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