Protecting Human Health

Question 1

What defined risk as it applies to pesticides?

Answer 1

The possibility that a pesticide may cause harm

Question 2

What does the term toxicity mean?

Answer 2

The ability of a pesticide to cause harm

Question 3

What does the term LD50 mean with regard to toxicity?

Answer 3

Lethal does for 50% of the test population

Question 4

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

Answer 4

The length of time an applicator uses a pesticide affects exposure

Question 5

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

Answer 5

The harmful effects of exposure to a pesticide seen within a short time after exposure

Question 6

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

Answer 6

Use pesticides for longer periods of time

Question 7

What does the term LC50 mean with regard to toxicity?

Answer 7

Lethal Concentration in air or water for 50% of the test population

Question 8

What does the term chronic toxicity mean?

Answer 8

Long term health effects caused by a pesticide

Question 9

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

Answer 9

Pesticide labels contain a direct statement of LD50 toxicity

Question 10

What are 4 major pathways that a pesticide can enter the body?

Answer 10

swallowing, breathing, eyes and skin

Question 11

What area of the body absorbs a pesticide most easily?

Answer 11

Armpits
Small of the back
Genitalia area
Head

Question 12

What is the most common form of exposure to a pesticide?

Answer 12

Dermal (skin)

Question 13

On the job site, someone becomes very sick after applying a pesticide. Name 5 severe symptoms of pesticides poisoning to look for.

Answer 13

Vomiting
Loss of reflexes
Trouble breathing
Increased breathing rate
Muscle twitching

Question 14

On the job site, one of the applicators is showing symptoms of poisoning. What is the most important action to take?

Answer 14

See a doctor

Question 15

Make three effects of chronic pesticide exposure.

Answer 15

Skin irritation
Loss of weight
Birth defects
Organ damage
Tumours
Nerve damage

Question 16

Name 4 ways to avoid pesticide exposure through the skin.

Answer 16

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

Question 17

What is the best way to avoid exposure to pesticide through the eyes

Answer 17

Goggles

Question 18

What are the 4 general practices that will lessen or eliminate exposure?

Answer 18

Attitude
Equipment
Method
Safety

Question 19

Name 2 ways to avoid pesticide exposure through inhalation.

Answer 19

Respirator
Stay away from areas already sprayed
Follow precautionary statements on label