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25 Cards in this Set
- Front
- Back
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Cholinesterase
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Chemical present in central nervous system whose production is affected by many pesticides. Its inhibition may lead to illness.
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Chronic effect
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Illness or injury that appears a long time, usually several years, after exposure to pesticides
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Closed system
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Mixing and loading systems designed to prevent pesticide from coming in contact with handlers
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Delayed effect
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Illness or injury that appears usually after 24 hours following exposure to pesticides. May include chronic, developmental, reproductive, and systemic effects
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Developmental effect
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Illness or injury to fetus from exposue to its mother
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Dose response
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Pesticide's effect on the target varies directly with amount of exposure, either by volume or time
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Drift
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Airborne movement of pesticide from release site
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Exposure
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Coming in contact with pesticide; pesticide on surface or in or on organism
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Hazard
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Risk of harmful effects from pesticides
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Heat stress
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Illness due to exposure to more heat that the body can cope with
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L.D. 50 (median lethal dose) |
Dose of pesticide experimentally determined |
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Reproductive effect
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Injury to reproductive system of men or women due to exposure to pesticides
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Explain the terms "hazard," "toxicity," and "exposure." How do they relate to one another?
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1. Hazard = risk of harmful effects
2. Toxicity = ability to cause harmful effects 3. Exposure = total amount on or in body HAZARD = TOXICITY x EXPOSURE |
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What are the 4 routes through which pesticides can contact your body and cause you to be exposed?
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1. Oral
2. Inhalation 3. Ocular 4. Dermal |
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Which exposure route should be most careful about?
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Dermal (skin) exposure most common route for pesticide handlers
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What 3 factors determine how much pesticide will be absorbed through your skin and eyes and into your body?
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1. Pesticide & material used to dilute it
2. Which area of the body is exposed 3. The condition of the exposed skin |
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How can you avoid harmful effects from pesticides?
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1. Use safety systems; e.g., closed systems & enclosed cabs
2. PPE (wearing, keeping clean, and in good operating condition) 3. Washing exposed areas often |
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Name 4 signs/symptoms of pesticide poisoning.
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1. Nausea, vomiting
2. Diarrhea, stomach cramps 3. Headache, dizziness, confusion 4. Weakness, muscle cramps, aching all over 5. Sweating, chills, thirst 6. Chest pains, difficulty breathing |
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Name two signs/symptoms of pesticides acting as external irritants.
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1. Skin redness, blisters, rash, burns
2. Eyes, nose, mouth, or throat swelling, stinging, burning |
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What is the best first-aid to perform when overexposed to pesticides?
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1. Stop exposure ASAP
2. Flood skin and/or eyes with water 3. If swallowed, drink large amount of water 4. If inhaled, get to freash air |
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What are some common signs and symptoms of heat stress?
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1. Fatigue
2. Headache, nausea, chills 3. Dizziness, fainting 4. Severe thirst, dry mouth 5. Clammy or hot, dry skin 6. Heavy or complete lack of sweating 7. Altered behavior |
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If not sure if suffering from heat stress or poisoning, what should you do? |
Don't guess. GET MEDICAL HELP!!! |
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How do oral exposures to pesticides commonly occur?
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1. not washing hands before smoking
2. mistaking pesticide for food or drink 3. accidentally applying pesticides to food 4. careless splashing of pesticides in mouth |
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Name several chemical-resistant PPEs.
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Chemical-resistant:
1. gloves 2. body suit 3. hood 4. apron |
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Best materials for chemical-resistant clothing
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Rubber, plastic, neoprene, nonwoven fabric coated with plastic
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