HAZWOPER FINAL Exam Questions And
Answers Verified 100% Correct
TLV is an acronym for _____
a. Time limited value
b. Toxic level variable
c. Threshold limit value
d. Temperature limit value - ANSWER Threshold limit value
The most common route of entry for exposure to toxic materials in the work place is?
a. Injection
b. Dermal contact
c. Ingestion
d. Inhalation - ANSWER Inhalation
Which of the factors listed, that affect the response of humans and living organisms to
toxic chemicals, is time dependent?
a. The chemical itself
b. Individual sensitivity
c. Dose
d. Type of contact - ANSWER Dose
Acute exposure symptoms may include which of the following?
a. Rashes
b. Nausea
c. Irritation to eyes, nose, and throat
,d. All of the above - ANSWER All the above
A toxic effect described as a severe injury by a one-time short exposure to a harmful
chemical is known as _____
a. Chronic
b. Acute
c. Latent - ANSWER Acute
An additive effect is defined as which of the following?
a. The interaction of two toxic chemicals may be such that the effect produced is
actually less than would be expected
b. In some cases a chemical without any known toxic effect may act together with a
known toxic substance to make the toxic substance even more potent and more
dangerous
c. The addition of toxic chemical effects in producing a biological effect
d. The exposure to two different toxic chemicals that produces a more severe effect
than simply doubling the dose of either one alone - ANSWER The addition of toxic
chemical effects in producing a biological effect
A Synergistic Effect is defined as which of the following?
a. The interaction of two toxic chemicals may be such that the effect produced is
actually less than would be expected
b. In some cases a chemical without any known toxic effect may act together with a
known toxic substance to make the toxic substance even more potent and more
dangerous
c. The addition of toxic chemical effects in producing a biological effect
d. The exposure to two different toxic chemicals that produces a more severe effect
than simply doubling the dose of either one alone - ANSWER The exposure to two
different toxic chemicals that produces a more severe effect than simply doubling the
dose of either one alone.
A Potentiation Effect is defined as which of the following?
,a. The interaction of two toxic chemicals may be such that the effect produced is
actually less than would be expected
b. In some cases a chemical without any known toxic effect may act together with a
known toxic substance to make the toxic substance even more potent and more
dangerous
c. The addition of toxic chemical effects in producing a biological effect
d. The exposure to two different toxic chemicals that produces a more severe effect
than simply doubling the dose of either one alone - ANSWER In some cases a
chemical without any known toxic effect may act together with a known toxic
substance to make the toxic substance even more potent and dangerous
An Antagonism Effect is defined as which of the following?
a. The interaction of two toxic chemicals may be such that the effect produced is
actually less than would be expected
b. In some cases a chemical without any known toxic effect may act together with a
known toxic substance to make the toxic substance even more potent and more
dangerous
c. The addition of toxic chemical effects in producing a biological effect
d. The exposure to two different toxic chemicals that produces a more severe effect
than simply doubling the dose of either one alone - ANSWER The interaction of two
toxic chemicals may be such that the effect produced is actually less than would be
expected
Which of the following is common to airborne hazards?
a. They spread out from the source
b. They normally enter the body through breathing
c. They settle quickly
d. They are easily seen and smelled - ANSWER They normally enter the body through
breathing
A chemical that deprives the victim's tissues of oxygen is which of the following?
a. Asphyxiate
, b. Carcinogen
c. Caustic
d. Teratogen - ANSWER Asphyxiate
Which exposure route is most likely to cause the immediate response of a burned
esophagus to appear?
a. Skin contact
b. Inhalation
c. Proximity
d. Ingestion - ANSWER Ingestion
Ceiling Limit (C) is the level that should never be exceeded in the workplace without
correct procedures and protective equipment.
True
False - ANSWER True
How can chemicals enter your bloodstream?
a. Ingestion
b. Inhalation
c. Skin absorption
d. All of the above - ANSWER All the above
(ingestion, inhalation, skin absorption)
How much a worker is affected by an exposure to a chemical may depend upon ______
a. The worker's age and gender
b. Use of PPE
c. The dose received (concentration x time)
Answers Verified 100% Correct
TLV is an acronym for _____
a. Time limited value
b. Toxic level variable
c. Threshold limit value
d. Temperature limit value - ANSWER Threshold limit value
The most common route of entry for exposure to toxic materials in the work place is?
a. Injection
b. Dermal contact
c. Ingestion
d. Inhalation - ANSWER Inhalation
Which of the factors listed, that affect the response of humans and living organisms to
toxic chemicals, is time dependent?
a. The chemical itself
b. Individual sensitivity
c. Dose
d. Type of contact - ANSWER Dose
Acute exposure symptoms may include which of the following?
a. Rashes
b. Nausea
c. Irritation to eyes, nose, and throat
,d. All of the above - ANSWER All the above
A toxic effect described as a severe injury by a one-time short exposure to a harmful
chemical is known as _____
a. Chronic
b. Acute
c. Latent - ANSWER Acute
An additive effect is defined as which of the following?
a. The interaction of two toxic chemicals may be such that the effect produced is
actually less than would be expected
b. In some cases a chemical without any known toxic effect may act together with a
known toxic substance to make the toxic substance even more potent and more
dangerous
c. The addition of toxic chemical effects in producing a biological effect
d. The exposure to two different toxic chemicals that produces a more severe effect
than simply doubling the dose of either one alone - ANSWER The addition of toxic
chemical effects in producing a biological effect
A Synergistic Effect is defined as which of the following?
a. The interaction of two toxic chemicals may be such that the effect produced is
actually less than would be expected
b. In some cases a chemical without any known toxic effect may act together with a
known toxic substance to make the toxic substance even more potent and more
dangerous
c. The addition of toxic chemical effects in producing a biological effect
d. The exposure to two different toxic chemicals that produces a more severe effect
than simply doubling the dose of either one alone - ANSWER The exposure to two
different toxic chemicals that produces a more severe effect than simply doubling the
dose of either one alone.
A Potentiation Effect is defined as which of the following?
,a. The interaction of two toxic chemicals may be such that the effect produced is
actually less than would be expected
b. In some cases a chemical without any known toxic effect may act together with a
known toxic substance to make the toxic substance even more potent and more
dangerous
c. The addition of toxic chemical effects in producing a biological effect
d. The exposure to two different toxic chemicals that produces a more severe effect
than simply doubling the dose of either one alone - ANSWER In some cases a
chemical without any known toxic effect may act together with a known toxic
substance to make the toxic substance even more potent and dangerous
An Antagonism Effect is defined as which of the following?
a. The interaction of two toxic chemicals may be such that the effect produced is
actually less than would be expected
b. In some cases a chemical without any known toxic effect may act together with a
known toxic substance to make the toxic substance even more potent and more
dangerous
c. The addition of toxic chemical effects in producing a biological effect
d. The exposure to two different toxic chemicals that produces a more severe effect
than simply doubling the dose of either one alone - ANSWER The interaction of two
toxic chemicals may be such that the effect produced is actually less than would be
expected
Which of the following is common to airborne hazards?
a. They spread out from the source
b. They normally enter the body through breathing
c. They settle quickly
d. They are easily seen and smelled - ANSWER They normally enter the body through
breathing
A chemical that deprives the victim's tissues of oxygen is which of the following?
a. Asphyxiate
, b. Carcinogen
c. Caustic
d. Teratogen - ANSWER Asphyxiate
Which exposure route is most likely to cause the immediate response of a burned
esophagus to appear?
a. Skin contact
b. Inhalation
c. Proximity
d. Ingestion - ANSWER Ingestion
Ceiling Limit (C) is the level that should never be exceeded in the workplace without
correct procedures and protective equipment.
True
False - ANSWER True
How can chemicals enter your bloodstream?
a. Ingestion
b. Inhalation
c. Skin absorption
d. All of the above - ANSWER All the above
(ingestion, inhalation, skin absorption)
How much a worker is affected by an exposure to a chemical may depend upon ______
a. The worker's age and gender
b. Use of PPE
c. The dose received (concentration x time)
