air pollutants 2

Question 1

__ ___ occur in electric arc welding, engraving, electroplating

Answer 1

nitrogen oxides (N2O, NO2)

Question 2

NO’s cause delayed onset ___ ___

Answer 2

chemical pneumonitis

Question 3

NO is one of the few gaseous signaling molecules that acts on endothel to produce

Answer 3

vasodilation

Question 4

delayed onset pulm toxicity experienced by farm workers upon entering silo
-dyspnea, cough, hypoxia, possible wheezes and rale

Answer 4

silo fillers disease

Question 5

main management of NO’s is ____, utilizing ABCDE’s, make sure rescuer has respirator and chem protective clothing

Answer 5

decontamination

Question 6

nitrogen oxide found in surgical anesthesia, whipits, auto mitrous systems

Answer 6

nitric oxide (N2O)

Question 7

bone marrow supression
megaloblastic anemia
thrombocytopenia
leukopenia
peripheral neuropathy
---all caused by

Answer 7

nitric oxide (N2O)

Question 8

____ is present in the atmosphere, absorbs UV light

-found in high levels in polluted air, near high volt equip

Answer 8

ozone (O3)

Question 9

bad ozone is found in the _____, and is harmful to breathe and damaging to crops etc

Answer 9

troposphere (closest to earths surface)

Question 10

good ozone is found in ____, protects earthlings from UVR

Answer 10

stratosphere (upward from 6-30 mi)

Question 11

bad ozone causes ____ issues

Answer 11

respiratory

Question 12

ozone causes irritation to mucus membrane, if ____ causes upper resp tract irritation, and if ___ causes lower lung irritation

Answer 12

mild

severe

Question 13

ozone causes ___ ___ changes similar to those with nitrogen dioxide

Answer 13

functional pulmonary

Question 14

tx for ozone toxicity is non specific, ___ measured for lung irritation

Answer 14

therapeutic

Question 15

___ are abundant in modern society eg fuel, paint, removers, dry cleaning sol’n, solvents, etc, used for euphoric

Answer 15

hydrocarbons

Question 16

hydrocarbons are organic compounds derived from ___ distillation and more, including petroleum jelly, motor oil, gasoline, kerosene, etc

Answer 16

petroleum

Question 17

MC affected organ by hydrocarbon tox

Answer 17

lungs

Question 18

directly inhaling vapors (HC)

Answer 18

sniffing

Question 19

placing a hydrocarbon saturated rag over the mouth/nose then inhaling

Answer 19

huffing

Question 20

inhaling via plastic bag filled with hc vapors

Answer 20

bagging

Question 21

hc tox is supportive, and asymp pt should be observed with continual _____ for at least 6h, then chest radiograph for aspiration

Answer 21

pulse-oximetry

Question 22

two antidotes for certain hydrocarbons, though most do not have any

Answer 22

acetylcysteine (carbon tetrachloride)
methylene blue (methhemoglobin)