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EVST 1000 > Environmental Health > Flashcards

Environmental Health Flashcards

1
Q

Pollutant

A

Substance that harm living organisms through air, soil, or water

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2
Q

Neurotoxin

A

Attacks nerve cells

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3
Q

Carcinogen

A

Attacks cell DNA, causing cancer

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4
Q

Teratogen

A

Attacks developing cells, causing abnormalities during embryonic growth and development

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5
Q

Allergen

A

Activate immune system, causing an allergic reaction

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6
Q

Endocrine system

A

mimic sex hormones, damaging systems

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7
Q

Toxic substances from human activity

A

Pesticides and herbicides

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8
Q

Toxins can be

A

Water soluble or fat soluble

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9
Q

Water soluble

A

easily dissolve in water

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10
Q

Fat soluble

A

dissolve instead in fat

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11
Q

Biomagnification

A

substances increase in concentration at each successive trophic level in the food chain

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12
Q

EPA Risk Assessment Practices

A
  1. Identification of hazard
  2. Dose-response assessment
  3. Exposure assessment
  4. Risk characterization
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13
Q

Identification of hazard

A

identify the contaminants suspected of causing health problems

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14
Q

Dose-response assessment

A

what are the health problems associated with different exposure

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15
Q

Exposure Assessment

A

how much of the pollutant are people exposed to over a given period of time

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16
Q

Risk characterization

A

what is the extra risk of health problems in the exposed population

17
Q

Bacteria

A

single-celled microbe

18
Q

virus

A

infectious agent that replicates only inside the living cells of an organism

19
Q

parasite

A

an organism that lives in another organism (host), host harmed by parasite and parasite gets benefits from the host

20
Q

Zoonotic disease

A

spread from animals to humans

21
Q

antibiotic resistance

A

when pathogens develop the ability to defeat the drugs designed to kill them

22
Q
A

EVST 1000 (6 decks)

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