Ohio Pesticide Commercial Applicator – CORE Study Guide
Comprehensive Resource To Help You Ace 2026-2027
Exams Includes Frequently Tested Questions With
ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. What is biological diversity?
- Correct Answer: The variety and differences among living thnigs, and the
complex ways they interact
2. How can pesticides harm endangered species?
- Correct Answer: Pesticides may harm endangered species by:
- direct contact
- disrupting or destroying sources of food and shelter
- contaminating water ingested by or inhabited by endangered organisms
- building up to dangerous levels in endangered predators that feed on plants or
animals exposed to pesticides
3. Explain the terms hazard, toxicity, and exposure, and tell how they relate to one
another
- Correct Answer: Hazard - the risk of harmful effects from pesticides
Toxicity - a measure of the ability of a pesticide to cause harmful effects
Exposure - the total amount of pesticide that gets on or in the body
HAZARD = TOXICITY x EXPOSURE
,4. What are the four routes through which pesticides can contact your body and
cause you to be exposed?
- Correct Answer: 1. Oral exposure (when you swallow a pesticide)
2. Inhalation exposure (when you inhale a pesticide)
3. Ocular exposure (when you get a pesticide in your eyes)
4. Dermal exposure (when you get a pesticide on your skin)
5. Which route of exposure should you, as a pesticide handler, be most concerned
about?
- Correct Answer: Exposure to the skin is the most common route of exposure
for pesticide handlers.
6. What three factors determine how much pesticide will be absorbed through
your skin (and eyes) and into your body? - Correct Answer:
1. The pesticide itself and the material used to dilute the pesticide.
2. Which area of the body is exposed.
3. The condition of the skin that is exposed.
7. Explain acute effects, delayed effects, and allergic effects.
- Correct Answer: Acute effects - illnesses or injuries that may appear
immediately after exposure to a pesticide (within 24 hours)
Delayed effects - illnesses or injuries that do not appear immediately (within 24
hours) after exposure to a pesticide or combination of pesticides
Allergic effects - harmful effects that some people develop in reaction to
pesticides that do not cause the same reaction in most other people
8. How can you avoid harmful effects from pesticides?
, - Correct Answer: - avoid/reduce exposures to pesticides in general
- use safety systems such as: closed systems and enclosed cabs
- use PPE as described on label
- washing exposed areas often and thoroughly
- keep PPE clean and in good operating condition
9. Name four signs or symptoms of pesticide poisoning and two signs or
symptoms of irritation effects from pesticides.
- Correct Answer: Pesticide poisoning symptoms may include:
1. nausea, vomiting, diarrhea, and/or stomach cramps
2. headache, dizziness, weakness, and/or confusion
3. excessive sweating, chills, and/or thirst
4. chest pains, difficulty breathing, unusual cramps or aches
10. Pesticide irritation effects may include:
- Correct Answer: 1. redness, blisters, rash, and/or burns
2. a stinging sensation, burns in throat/mouth/eyes/nose
11. What is the first thing you should do when you or someone else is over
exposed to pesticides?
- Correct Answer: The best first aid in pesticide emergencies is to stop the
source of pesticide exposure ASAP.
- If the pesticide is on the skin or in the yes, flood with water.
- If the pesticide has been swallowed, drink large amounts of water
- If the pesticide has been inhaled, get to fresh air
12. What is heat stress?
- Correct Answer: The illness that occurs when your body is subjected to more
heat than it can cope with.
Comprehensive Resource To Help You Ace 2026-2027
Exams Includes Frequently Tested Questions With
ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. What is biological diversity?
- Correct Answer: The variety and differences among living thnigs, and the
complex ways they interact
2. How can pesticides harm endangered species?
- Correct Answer: Pesticides may harm endangered species by:
- direct contact
- disrupting or destroying sources of food and shelter
- contaminating water ingested by or inhabited by endangered organisms
- building up to dangerous levels in endangered predators that feed on plants or
animals exposed to pesticides
3. Explain the terms hazard, toxicity, and exposure, and tell how they relate to one
another
- Correct Answer: Hazard - the risk of harmful effects from pesticides
Toxicity - a measure of the ability of a pesticide to cause harmful effects
Exposure - the total amount of pesticide that gets on or in the body
HAZARD = TOXICITY x EXPOSURE
,4. What are the four routes through which pesticides can contact your body and
cause you to be exposed?
- Correct Answer: 1. Oral exposure (when you swallow a pesticide)
2. Inhalation exposure (when you inhale a pesticide)
3. Ocular exposure (when you get a pesticide in your eyes)
4. Dermal exposure (when you get a pesticide on your skin)
5. Which route of exposure should you, as a pesticide handler, be most concerned
about?
- Correct Answer: Exposure to the skin is the most common route of exposure
for pesticide handlers.
6. What three factors determine how much pesticide will be absorbed through
your skin (and eyes) and into your body? - Correct Answer:
1. The pesticide itself and the material used to dilute the pesticide.
2. Which area of the body is exposed.
3. The condition of the skin that is exposed.
7. Explain acute effects, delayed effects, and allergic effects.
- Correct Answer: Acute effects - illnesses or injuries that may appear
immediately after exposure to a pesticide (within 24 hours)
Delayed effects - illnesses or injuries that do not appear immediately (within 24
hours) after exposure to a pesticide or combination of pesticides
Allergic effects - harmful effects that some people develop in reaction to
pesticides that do not cause the same reaction in most other people
8. How can you avoid harmful effects from pesticides?
, - Correct Answer: - avoid/reduce exposures to pesticides in general
- use safety systems such as: closed systems and enclosed cabs
- use PPE as described on label
- washing exposed areas often and thoroughly
- keep PPE clean and in good operating condition
9. Name four signs or symptoms of pesticide poisoning and two signs or
symptoms of irritation effects from pesticides.
- Correct Answer: Pesticide poisoning symptoms may include:
1. nausea, vomiting, diarrhea, and/or stomach cramps
2. headache, dizziness, weakness, and/or confusion
3. excessive sweating, chills, and/or thirst
4. chest pains, difficulty breathing, unusual cramps or aches
10. Pesticide irritation effects may include:
- Correct Answer: 1. redness, blisters, rash, and/or burns
2. a stinging sensation, burns in throat/mouth/eyes/nose
11. What is the first thing you should do when you or someone else is over
exposed to pesticides?
- Correct Answer: The best first aid in pesticide emergencies is to stop the
source of pesticide exposure ASAP.
- If the pesticide is on the skin or in the yes, flood with water.
- If the pesticide has been swallowed, drink large amounts of water
- If the pesticide has been inhaled, get to fresh air
12. What is heat stress?
- Correct Answer: The illness that occurs when your body is subjected to more
heat than it can cope with.
