Industrial Hygiene

Practice Exam Questions - Bank 6

1. This form of coherent radiation is produced by a single frequency: (Plog, 16)

a. ultraviolet
b. microwave
c. laser
d. infrared

2. This predecessor to the laser emits microwaves instead of coherent light: (Plog, 16)

a. multiplex
b. microwave
c. maser
d. ultrazer

3. This body organ is most vulnerable to injury by laser: (Plog, 16)

a. ear
b. eye
c. prostate
d. skin

4. These body parts are all vulnerable to hyperbaric pressure, except: (Plog, 17)

a. ear
b. sinuses
c. teeth
d. skin

5. Unequal distribution of pressure can cause this form of tissue damage: (Plog, 16)

a. barotrauma
b. hyperbaria
c. baroitis
d. hyperbaroemia

6. When employees are subjected to sound that exceeds permissible limits, what must the employer do in response? (Plog, 12)

a. use engineering and administrative controls to reduce exposure
b. ensure employees use proper personal protective equipment
c. schedule employees to reduce exposure to noise levels
d. change work procedures to keep employees away from the source

7. Which of the following conditions may exist due to worker exposure to hyperbaric atmospheres? (Plog, 17)

a. the bends
b. pain and congestion in the ears
c. partial hearing loss
d. any of the above

8. All of the following are typical entry routes of chemical compounds, except: (Plog, 21)

a. inhalation
b. absorption
c. ingestion
d. penetration

9. All of the following types of chemical airborne contaminants may enter the body via inhalation, absorption or ingestion, except: (Plog, 21)

a. mists
b. allergens
c. gasses
d. dusts

10. All of the following types of chemical airborne contaminants may enter the body via inhalation, absorption or ingestion, except: (Plog, 21)

a. vapors
b. microbes
c. gasses
d. fumes

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