Protecting Human Health Flashcards
What defined risk as it applies to pesticides?
The possibility that a pesticide may cause harm
What does the term toxicity mean?
The ability of a pesticide to cause harm
What does the term LD50 mean with regard to toxicity?
Lethal does for 50% of the test population
Which of the following statements about exposure is correct?
Exposure determines toxicity
Risk is increased as exposure decreases
Exposure does not affect risk
The length of time an applicator uses a pesticide affects exposure
The length of time an applicator uses a pesticide affects exposure
Which of the following best defines acute toxicity?
The effects of exposure to a pesticides over a long period
The irreversible health effects caused by a pesticide
The harmful effects of exposure to a pesticide seen within a short time after exposure
The hidden serious effects of pesticide that are delayed
The harmful effects of exposure to a pesticide seen within a short time after exposure
Which of the following actions does not reduce harm when working with pesticides?
Use less toxic pesticides
Use pesticides for longer periods of time
Take longer breaks between uses
Use the pesticide less often
Use pesticides for longer periods of time
What does the term LC50 mean with regard to toxicity?
Lethal Concentration in air or water for 50% of the test population
What does the term chronic toxicity mean?
Long term health effects caused by a pesticide
What of the following statements about LD50 test results are FALSE?
Pesticide labels contain a direct statement of LD50 toxicity
A pesticide with small LD 50 is more toxic that one with a high LD50
Toxicity test results are based on the use of live test animals
Test animals receive the pesticide by ingesting it and though the skin
Pesticide labels contain a direct statement of LD50 toxicity
What are 4 major pathways that a pesticide can enter the body?
swallowing, breathing, eyes and skin
What area of the body absorbs a pesticide most easily?
Armpits
Small of the back
Genitalia area
Head
What is the most common form of exposure to a pesticide?
Dermal (skin)
On the job site, someone becomes very sick after applying a pesticide. Name 5 severe symptoms of pesticides poisoning to look for.
Vomiting
Loss of reflexes
Trouble breathing
Increased breathing rate
Muscle twitching
On the job site, one of the applicators is showing symptoms of poisoning. What is the most important action to take?
See a doctor
Make three effects of chronic pesticide exposure.
Skin irritation
Loss of weight
Birth defects
Organ damage
Tumours
Nerve damage
Name 4 ways to avoid pesticide exposure through the skin.
Keep personal protective equipment clean
Wear chemical resistant gloves
Washing your hands and face after handling
Keep contaminated gloves or clothing away from your eyes and face
What is the best way to avoid exposure to pesticide through the eyes
Goggles
What are the 4 general practices that will lessen or eliminate exposure?
Attitude
Equipment
Method
Safety
Name 2 ways to avoid pesticide exposure through inhalation.
Respirator
Stay away from areas already sprayed
Follow precautionary statements on label
