Texas Pesticide Applicator General Study
Guide Questions with Correct Answers
Chronic Toxicity Delayed poisonous effect from exposure to a substance
Chronic Exposure Long-term repeated contact with pesticides
Pesticide Dose Amount of pesticide to which a surface, plant, or animal is exposed
Routes of Entry Dermal, oral, and inhalation routes by which pesticides can enter the
body
Poisonous No Matter How They Enter Some pesticides that are poisonous regardless of
the route of entry
Oil-Based Pesticide solution most likely to be absorbed through the skin
Quickly Absorbed Areas Areas of the body that absorb pesticides quickly
, Dermal and Inhalation Routes of entry likely to be the most important
Toxicity Factors Route of entry, frequency and duration of exposure, and dose received
Local and Systemic Effects Effects that occur at the site of contact and away from the
point of contact with a pesticide
Reversible Toxic Effects Toxic effects that can be reversed
LD50 Lethal Dose Fifty, amount of a chemical that kills half the animals exposed to it in a
laboratory test
Acute Oral Toxicity Measurement of the amount of a chemical in the air that caused half
of the test animals to die when inhaled
Concentration Six milligrams per kilogram (mg/kg) is equal to six parts per million
Guide Questions with Correct Answers
Chronic Toxicity Delayed poisonous effect from exposure to a substance
Chronic Exposure Long-term repeated contact with pesticides
Pesticide Dose Amount of pesticide to which a surface, plant, or animal is exposed
Routes of Entry Dermal, oral, and inhalation routes by which pesticides can enter the
body
Poisonous No Matter How They Enter Some pesticides that are poisonous regardless of
the route of entry
Oil-Based Pesticide solution most likely to be absorbed through the skin
Quickly Absorbed Areas Areas of the body that absorb pesticides quickly
, Dermal and Inhalation Routes of entry likely to be the most important
Toxicity Factors Route of entry, frequency and duration of exposure, and dose received
Local and Systemic Effects Effects that occur at the site of contact and away from the
point of contact with a pesticide
Reversible Toxic Effects Toxic effects that can be reversed
LD50 Lethal Dose Fifty, amount of a chemical that kills half the animals exposed to it in a
laboratory test
Acute Oral Toxicity Measurement of the amount of a chemical in the air that caused half
of the test animals to die when inhaled
Concentration Six milligrams per kilogram (mg/kg) is equal to six parts per million
