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MASSACHUSETTS PESTICIDE APPLICATOR CORE EXAM LATEST ACTUAL EXAM ALL 400 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES $14.49   Add to cart
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MASSACHUSETTS PESTICIDE APPLICATOR CORE EXAM LATEST ACTUAL EXAM ALL 400 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES
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MASSACHUSETTS PESTICIDE APPLICATOR CORE EXAM LATEST ACTUAL EXAM ALL 400 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES Chronic health effect - ANSWER-Problems that develop over a relatively long period of time, following either one significant exposure that initiates a problem, or fol...

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  • November 10, 2024
  • 47
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • massachusetts pesticide applicator core exam lates

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MASSACHUSETTS PESTICIDE APPLICATOR CORE EXAM LATEST
2024-2025 ACTUAL EXAM ALL 400 QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES



Chronic health effect - ANSWER✔✔-Problems that develop over a relatively long

period of time, following either one significant exposure that initiates a problem, or

following a series of small exposures which accumulate in some manner and result in a

development of a disease or disorder


acute toxicity - ANSWER✔✔-Poisoning from a single dose over a much shorter

duration of time


How soon do health effects occur from accrue toxicity? - ANSWER✔✔-Within 24 hours

of exposure


Chronic health risk problems (major examples) - ANSWER✔✔-Mutagenicity,

oncogenicity, carcinogenicity, teratogenicity, neurotoxicity


Mutagenicity - ANSWER✔✔-Ability of a substance or agent to cause mutations to genes

or chromosomes


Changes from mutagenicity are... - ANSWER✔✔-Almost always harmful


Tests to detect mutagenicity - ANSWER✔✔-Varied. Tests on cells to tests on whole

animals

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,It's believed that chemicals that cause mutations are more likely to be ones that can also

cause... - ANSWER✔✔-Cancers


Why is mutation testing used as a first screen for new compounds? - ANSWER✔✔-

Faster and cheaper than animal lifetime testing


Oncogenicity - ANSWER✔✔-The ability of a chemical to cause abnormal growths or

tumors in tissues


Carcinogenicity - ANSWER✔✔-Ability of a substance or agent to cause malignant

tumors


How do they test chemicals for their ability to cause tumors - ANSWER✔✔-

Administering daily doses to animals for their entire lifetime and then dissecting them

to detect presence of tumors in the animals tissues


A rodent carcinogenicity study takes how long typically? - ANSWER✔✔-2-3 years


Pesticide companies are required to submit test data on oncogenicity from.... -

ANSWER✔✔-Several animal species


There are currently how many pesticide active ingredients considered known, likely, or

probable carcinogens - ANSWER✔✔-Over 70


MDAR - ANSWER✔✔-Massachusetts Department of Agricultural Resources




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,Act to protect children and families from harmful pesticides - ANSWER✔✔-Passed in

2000. Pesticide products that contain carcinogens may not be used in or around schools,

daycares, or after school programs


Teratogenicity - ANSWER✔✔-Ability of a substance to cause abnormal growth or

deformity in developing fetuses (birth defects)


How is teratogenicity tested - ANSWER✔✔-Administering doses of chemical to female

test animals at various stages of pregnancies and observing number of miscarriages and

defective offspring verses what would normally be expected


Examples of animals used to test teratogenicity - ANSWER✔✔-Rodents, rabbits, dogs,

monkeys


Effects of chemicals are usually considered significant for teratogenicity if... -

ANSWER✔✔-They occur at doses not toxic by themselves to the mother


Testing for teratogenicity is standard part of pesticide registration although

___________ May exist for older chemicals - ANSWER✔✔-Data gaps


Neurotoxicity - ANSWER✔✔-Gradual damage to basic nerve structure. Does not refer

to reversible effects


Test animal for neurotoxicity - ANSWER✔✔-Chicken


Hepatoxicity - ANSWER✔✔-Damage to liver



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, Nephrotoxicity - ANSWER✔✔-damage to the kidneys


Immunotoxicity - ANSWER✔✔-Compromise immune system


Fetotoxicity - ANSWER✔✔-Direct toxic injury or death of fetus


Hemotoxic effects - ANSWER✔✔-Blood disorders


Cholinesterases - ANSWER✔✔-Enzymes found in humans, insects, and other species

that are necessary for normal function of the nervous system


What kind of insecticides can block or inhibit cholinesterases - ANSWER✔✔-

Organophosphates, carbamates


How much exposure to cholinesterase blocking pesticides does it take to make you feel

sick - ANSWER✔✔-Depends on type of product, potency of active ingredient, amount

of exposure, whether you're handling concentrated or diluted mixture


Effects of exposure to cholinesterase blocking pesticides - ANSWER✔✔-May range

from no observable effects to severe illnesses or symptoms requiring hospitalization.

Severe poisoning can lead to coma or death


When do symptoms occur after exposure to cholinesterase blocking pesticides -

ANSWER✔✔-Anywhere from time of exposure to 12 hours




Copyright ©KATELYNWHITMAN 2025. ALL RIGHTS RESERVED
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