TEXAS PESTICIDE APPLICATOR LATEST
COMPREHENSIVE QUESTIONS AND ANSWERS
SURE A+
✔✔What is an endangered species?
a. A plant or animal that may not be harvested or hunted, except as allowed by law
b. A plant or animal that is in danger of extinction throughout all or much of its range
c. An animal whose habitat has been severely damaged - ✔✔b. A plant or animal that is
in danger of extinction throughout all or much of its range
✔✔Which federal agency determines what species are endangered?
a. The U.S. Department of Agriculture
b. Office of Pesticide Programs (OPP) of the EPA
c. Fish and Wildlife Services (FWS) of the Department of the Interior - ✔✔c. Fist and
Wildlife Services (FWS) of the Department of the Interior
✔✔Who ultimately bears the responsibility of protecting endangered species from
pesticides?
a. The federal government
b. The state government
c. Conservationists
d. You, the applicator - ✔✔d. You, the applicator
✔✔_________ is the capacity of a substance to injure or poison a living system, such
as a human being, an animal, a lake, or a forest. - ✔✔Toxicity
✔✔What is pesticide exposure?
a. Coming in contact with a pesticide
b. Being poisoned by a pesticide
c. Neither of the above
,d. Both of the above - ✔✔a. Coming in contact with a pesticide
✔✔_________ _________ refers to how poisonous a pesticide is after short-term
exposure. - ✔✔Acute toxicity
✔✔_________ _________ is a one-time or short-term contact with pesticide. -
✔✔Acute exposure
✔✔__________ __________ is a delayed poisonous effect from exposure to a
substance. - ✔✔Chronic toxicity
✔✔_________ _________ is long-term repeated contact with pesticides. - ✔✔Chronic
exposure
✔✔The effects of which type of exposure---acute or chronic--- can be more easily
detected and studied? - ✔✔Acute
✔✔A pesticide dose is the _________ of pesticide of which a surface, plant or animal is
exposed. - ✔✔Amount
✔✔Name the three routes by which pesticide can enter your body. - ✔✔Dermal , oral ,
inhalation
✔✔Some pesticide are poisonous no matter how they enter the body.
T/F - ✔✔True
✔✔Which pesticide solution is most likely to be absorbed through the skin?
a. Oil-based
b. Water-based
c. Dry - ✔✔a. Oil-based
✔✔Which areas of the body absorb pesticides quickly?
a. Feet, hands, head, and groin
b. Scalp, nose, hands, and arms
c. Face, hands, torso, and scalp
d. Eyes, ears, scalp, and genitals - ✔✔d. Eyes, ears, scalp, and genitals
✔✔Which two routes of entry are likely to be the most important to you?
a. Dermal and oral
b. Dermal and inhalation
c. Inhalation and oral
d. None of the above - ✔✔b. Dermal and inhalation
, ✔✔Which factor affects the toxicity of a pesticide?
a. Route of entry
b. frequency and duration (rate) of exposure
c. Does received
d. All of the above - ✔✔d. All of the above
✔✔An example of a chronic effect is the drop in __________, an essential body
enzyme, caused by organophosphates and carbamates. - ✔✔Cholinesterase
✔✔___________ effects occur at the site of contact with a pesticide while ___________
effects occur away from the point of contact. - ✔✔Local, systemic
✔✔Skin rash, nausea, eye irritation, and dizziness are examples of ___________ toxic
effects. - ✔✔Reversible
✔✔LD 50 means "lethal dose fifty" it refers to the amount of chemical that kills
__________ the animals exposed to it in a laboratory test. - ✔✔half (50%)
✔✔The smaller the LD 50 value, the less chemical required to fatal, so the more
poisonous the pesticide. T/F - ✔✔True
✔✔Acute oral toxicity and acute dermal toxicity are measured as LD 50. The higher the
LD 50 the ___________ (more or less) toxic the pesticide. - ✔✔Less
✔✔How is LD 50 used?
a. LD 50 is used with other tests to place pesticides in a " toxic category" and give them
a "signal word."
b. LD 50 is used to compare the toxicity of different chemicals.
c. LD 50 is used to tell how a chemical acts and how sensitive different organs within an
animal or human might be. - ✔✔a. LD 50 is used with other tests to place pesticides in a
" toxic category" and give them a "signal word."
✔✔LC 50 means "lethal _________ fifty." It refers to the amount of chemical in the air
that caused half of the test animals to die when they inhaled it. - ✔✔Concentration
✔✔Six milligrams per kilogram (mg/kg) is equal to __________ parts per million. -
✔✔six
✔✔What signal word must be on the label for pesticides classified as "relatively non-
toxic"
a. CAUTION!
b. DANGER!
c. WARNING! - ✔✔a. CAUTION!
COMPREHENSIVE QUESTIONS AND ANSWERS
SURE A+
✔✔What is an endangered species?
a. A plant or animal that may not be harvested or hunted, except as allowed by law
b. A plant or animal that is in danger of extinction throughout all or much of its range
c. An animal whose habitat has been severely damaged - ✔✔b. A plant or animal that is
in danger of extinction throughout all or much of its range
✔✔Which federal agency determines what species are endangered?
a. The U.S. Department of Agriculture
b. Office of Pesticide Programs (OPP) of the EPA
c. Fish and Wildlife Services (FWS) of the Department of the Interior - ✔✔c. Fist and
Wildlife Services (FWS) of the Department of the Interior
✔✔Who ultimately bears the responsibility of protecting endangered species from
pesticides?
a. The federal government
b. The state government
c. Conservationists
d. You, the applicator - ✔✔d. You, the applicator
✔✔_________ is the capacity of a substance to injure or poison a living system, such
as a human being, an animal, a lake, or a forest. - ✔✔Toxicity
✔✔What is pesticide exposure?
a. Coming in contact with a pesticide
b. Being poisoned by a pesticide
c. Neither of the above
,d. Both of the above - ✔✔a. Coming in contact with a pesticide
✔✔_________ _________ refers to how poisonous a pesticide is after short-term
exposure. - ✔✔Acute toxicity
✔✔_________ _________ is a one-time or short-term contact with pesticide. -
✔✔Acute exposure
✔✔__________ __________ is a delayed poisonous effect from exposure to a
substance. - ✔✔Chronic toxicity
✔✔_________ _________ is long-term repeated contact with pesticides. - ✔✔Chronic
exposure
✔✔The effects of which type of exposure---acute or chronic--- can be more easily
detected and studied? - ✔✔Acute
✔✔A pesticide dose is the _________ of pesticide of which a surface, plant or animal is
exposed. - ✔✔Amount
✔✔Name the three routes by which pesticide can enter your body. - ✔✔Dermal , oral ,
inhalation
✔✔Some pesticide are poisonous no matter how they enter the body.
T/F - ✔✔True
✔✔Which pesticide solution is most likely to be absorbed through the skin?
a. Oil-based
b. Water-based
c. Dry - ✔✔a. Oil-based
✔✔Which areas of the body absorb pesticides quickly?
a. Feet, hands, head, and groin
b. Scalp, nose, hands, and arms
c. Face, hands, torso, and scalp
d. Eyes, ears, scalp, and genitals - ✔✔d. Eyes, ears, scalp, and genitals
✔✔Which two routes of entry are likely to be the most important to you?
a. Dermal and oral
b. Dermal and inhalation
c. Inhalation and oral
d. None of the above - ✔✔b. Dermal and inhalation
, ✔✔Which factor affects the toxicity of a pesticide?
a. Route of entry
b. frequency and duration (rate) of exposure
c. Does received
d. All of the above - ✔✔d. All of the above
✔✔An example of a chronic effect is the drop in __________, an essential body
enzyme, caused by organophosphates and carbamates. - ✔✔Cholinesterase
✔✔___________ effects occur at the site of contact with a pesticide while ___________
effects occur away from the point of contact. - ✔✔Local, systemic
✔✔Skin rash, nausea, eye irritation, and dizziness are examples of ___________ toxic
effects. - ✔✔Reversible
✔✔LD 50 means "lethal dose fifty" it refers to the amount of chemical that kills
__________ the animals exposed to it in a laboratory test. - ✔✔half (50%)
✔✔The smaller the LD 50 value, the less chemical required to fatal, so the more
poisonous the pesticide. T/F - ✔✔True
✔✔Acute oral toxicity and acute dermal toxicity are measured as LD 50. The higher the
LD 50 the ___________ (more or less) toxic the pesticide. - ✔✔Less
✔✔How is LD 50 used?
a. LD 50 is used with other tests to place pesticides in a " toxic category" and give them
a "signal word."
b. LD 50 is used to compare the toxicity of different chemicals.
c. LD 50 is used to tell how a chemical acts and how sensitive different organs within an
animal or human might be. - ✔✔a. LD 50 is used with other tests to place pesticides in a
" toxic category" and give them a "signal word."
✔✔LC 50 means "lethal _________ fifty." It refers to the amount of chemical in the air
that caused half of the test animals to die when they inhaled it. - ✔✔Concentration
✔✔Six milligrams per kilogram (mg/kg) is equal to __________ parts per million. -
✔✔six
✔✔What signal word must be on the label for pesticides classified as "relatively non-
toxic"
a. CAUTION!
b. DANGER!
c. WARNING! - ✔✔a. CAUTION!
