100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
MASSACHUSETTS PESTICIDE APPLICATOR CORE EXAM LATEST ACTUAL EXAM ALL 400 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES $14.49   Add to cart

Exam (elaborations)

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

 3 views  0 purchase
  • Course
  • MASSACHUSETTS PESTICIDE APPLICATOR
  • Institution
  • MASSACHUSETTS PESTICIDE APPLICATOR

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...

[Show more]

Preview 4 out of 47  pages

  • November 10, 2024
  • 47
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MASSACHUSETTS PESTICIDE APPLICATOR
  • MASSACHUSETTS PESTICIDE APPLICATOR
avatar-seller
KatelynWhitman
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

Copyright ©KATELYNWHITMAN 2025. ALL RIGHTS RESERVED
Page 1/47

,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




Copyright ©KATELYNWHITMAN 2025. ALL RIGHTS RESERVED
Page 2/47

,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



Copyright ©KATELYNWHITMAN 2025. ALL RIGHTS RESERVED
Page 3/47

, 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
Page 4/47

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller KatelynWhitman. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $14.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

81298 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$14.49
  • (0)
  Add to cart