Organophosphates and Carbamates

Question 1

What is method of action for Organophosphates

Answer 1

irreversibly inactivate acetylcholinesterase (AchE) leading to persistent acetylcholine activity

Question 2

Organophosphates are a major source of animal poisoning, which one is most common?

Answer 2

Malathion

Question 3

True or False: Some OP’s that were initially developed as insecticide pesticides are also used as anthelmintics

Answer 3

True

Question 4

True or False: The length of storage has no effect on the toxicity level of Organophosphates

Answer 4

False: If stored for more than 1-2 years they become more toxic. They are subject to “storage activation”

Question 5

True or False: Technical grade chemicals are more pure than reagent grade chemicals

Answer 5

False: Technical grade chemicals are less pure than reagent grade chemicals. Impurities= more toxic