1|Page
OSHA 521 – OSHA GUIDE TO INDUSTRIAL HYGIENE
EXAMINATION COMPLETE VERIFIED QUESTIONS
AND DETAILED SOLUTIONS LATEST UPDATE THIS
YEAR JUST RELEASED
What is the best way to control chemical hazards? -
Answer-eliminate them of possible
what are administrative controls of chemical hazards? -
Answer-training, inspection, housekeeping and so on can
be used to limit exposure.
what should you do if you engineering and administrative
controls are not possible or do not protect you completely
from chemical exposure? - Answer-Wear personal
protective equipment (PPE)
what does it mean when critical effects are "systematic" -
Answer-•where your entire body is affected beyond just
the site where you are exposed.
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what are the effects of biological hazards? - Answer-The
effects can range from mild annoyances, such as allergic
reactions, to life-threatening events.
biological hazards: Plants - Answer-yards can be hiding
poison ivy or other harmful plants
Biological Hazards: Bugs - Answer-Watch out for any bugs
that could be hanging around trees.
Biological Hazards: Ant Hills - Answer-Steer clear from ant
hills before you get bitten!
what are the most common health effects of extreme cold?
- Answer-The most common health effects are frostbite or
even worse, hypothermia
How should you protect yourself from the effects of
extreme cold? - Answer-workplace should have heaters
available or shielding from the cold air, warm spaces to
take breaks in, or even a policy to have a buddy system.
Protect yourself by layering clothing, wearing gloves and
hats, and insulated and waterproof boots.
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what are the most common health effects of extreme
heat? - Answer-If you are sweating at work for most of
your shift, start to feel dizzy or sick to your stomach, or
even break out into a rash you could be experiencing
prolonged heat exposure.
How should you protect yourself from the effects of
extreme heat? - Answer-drink lots of water, take frequent
breaks, and take advantage of your work place air
conditioning, reflective shields, cooling fans, and other
engineered controls in place.
what is the cause of Noise Exposure - Answer-short-term
or long-term exposure to loud noises from tools,
equipment, and heavy machinery.
What is the noise exposure limit set by OSHA? - Answer-
85 decibels
How long may you be exposed to 85 decibels for
according to OSHA? - Answer-no longer than 8 hours
OSHA 521 – OSHA GUIDE TO INDUSTRIAL HYGIENE
EXAMINATION COMPLETE VERIFIED QUESTIONS
AND DETAILED SOLUTIONS LATEST UPDATE THIS
YEAR JUST RELEASED
What is the best way to control chemical hazards? -
Answer-eliminate them of possible
what are administrative controls of chemical hazards? -
Answer-training, inspection, housekeeping and so on can
be used to limit exposure.
what should you do if you engineering and administrative
controls are not possible or do not protect you completely
from chemical exposure? - Answer-Wear personal
protective equipment (PPE)
what does it mean when critical effects are "systematic" -
Answer-•where your entire body is affected beyond just
the site where you are exposed.
,2|Page
what are the effects of biological hazards? - Answer-The
effects can range from mild annoyances, such as allergic
reactions, to life-threatening events.
biological hazards: Plants - Answer-yards can be hiding
poison ivy or other harmful plants
Biological Hazards: Bugs - Answer-Watch out for any bugs
that could be hanging around trees.
Biological Hazards: Ant Hills - Answer-Steer clear from ant
hills before you get bitten!
what are the most common health effects of extreme cold?
- Answer-The most common health effects are frostbite or
even worse, hypothermia
How should you protect yourself from the effects of
extreme cold? - Answer-workplace should have heaters
available or shielding from the cold air, warm spaces to
take breaks in, or even a policy to have a buddy system.
Protect yourself by layering clothing, wearing gloves and
hats, and insulated and waterproof boots.
, 3|Page
what are the most common health effects of extreme
heat? - Answer-If you are sweating at work for most of
your shift, start to feel dizzy or sick to your stomach, or
even break out into a rash you could be experiencing
prolonged heat exposure.
How should you protect yourself from the effects of
extreme heat? - Answer-drink lots of water, take frequent
breaks, and take advantage of your work place air
conditioning, reflective shields, cooling fans, and other
engineered controls in place.
what is the cause of Noise Exposure - Answer-short-term
or long-term exposure to loud noises from tools,
equipment, and heavy machinery.
What is the noise exposure limit set by OSHA? - Answer-
85 decibels
How long may you be exposed to 85 decibels for
according to OSHA? - Answer-no longer than 8 hours