Category 3A+3B Pesticide Exam Latest Update 100% Pass
Acute Toxicity refers to toxicity from a one time exposure to a pesticide Chronic Toxicity refers to toxicity from many small exposures to a pesticide The Term LD50 refers to the level of toxicity where 50% mortality is observed Pyrethroid pesticides exert their toxicity in the form of a nerve poison with symptoms similar to chlorinated hydrocarbons Chronic Toxicity tests are conducted to determine Teratogenic and Carcinogenic effects A carcinogen is a material that causes cancer A neurotoxin is a material that causes toxicity to the nervous systemA teratogen is a material that causes birth defects The most common cause of pesticide poisoning to the applicator is through dermal exposure Skin exposure usually occurs via mixing, application procedures, spills, or contact with residues Eye contact with pesticides can be prevented by using a face shield or goggles Fire posing a unique risk because... of the toxic fumes that may be produced Drift is a problem during which types of applications? during turf, ornamental and interior applications Phytoxicity can occur because of an improper selection of a pesticide and a sensitive plant being treated During some spraying operations less than... 50% reache
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