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tcol > (AIR POLLUTANTS) OCCUPATIONAL AND ENVIRONMENTAL > Flashcards

(AIR POLLUTANTS) OCCUPATIONAL AND ENVIRONMENTAL Flashcards

1
Q

DESCRIPTION

Colorless, tasteless, odorless, and nonirritating gas

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2
Q

DESCRIPTION

Colorless irritant gas generated primarily by the combustion of sulfur-containing fossil fuels

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3
Q

DESCRIPTION

Brownish irritant gas sometimes associated with fires

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4
Q

DESCRIPTION

Relatively insoluble deep lung irritant

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4
Q

DESCRIPTION

Bluish irritant gas found in the earth’s atmosphere

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5
Q

DESCRIPTION

Important absorbent of ultraviolet light at high altitude

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6
Q

DESCRIPTION

Irritant of mucous membranes

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7
Q

SOURCE

Byproduct of incomplete combustion

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8
Q

SOURCE

Burning of coal, both for domestic heating and in coal-fired power plants

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9
Q

SOURCE

Formed from fresh silage

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10
Q

SOURCE

Automobile and truck traffic emissions

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11
Q

SOURCE

Emitted from power plants, motor vehicles, and other sources of high-heat combustion

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12
Q

SOURCE

Emitted from motor vehicles, chemical plants, refineries, factories, gas stations, paint, and other sources

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13
Q

SOURCE

Can be generated in the workplace by high-voltage electrical equipment, and around ozone-producing devices used for air
and water purification

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14
Q

SOURCE

Agricultural sources

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15
Q

MECHANISM OF ACTION

Combines tightly but reversibly with the oxygen-binding sites of hemoglobin

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16
Q

MECHANISM OF ACTION

Product formed: carboxyhemoglobin

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17
Q

MECHANISM OF ACTION

At room temperature, the solubility of SO2 is approximately 200 g SO2/L of water

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18
Q

MECHANISM OF ACTION

High solubility = when SO2 contacts moist membranes, it transiently forms sulfurous acid

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19
Q

MECHANISM OF ACTION

Inhalation damages the lung infrastructure that produces the surfactant necessary to allow smooth and low-effort lung alveolar
expansion

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20
Q

MECHANISM OF ACTION

Type I cells of the alveoli appear to be the cells chiefly affected by acute low to moderate inhalation exposure.

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21
Q

MECHANISM OF ACTION

penetration in the lung depends on tidal volume

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22
Q

MECHANISM OF ACTION

toxicity may result from the formation of reactive free radicals

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tcol (10 decks)

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