Toxicology Flashcards
Major air pollutant
CO 50%
Colorless odorless gas that competes for O2 in hemoglobin
CO
affinity of CO for hemoglobin is more than _____x greater than that of O2
200x
In CO poisoning, collapse and syncope occur when approximately ___% of hemoglobin has been converted to carboxyhemoglobin
40%
Treatment for CO poisoning
hyperbaric oxygen
Colorless irritant gas from combustion of fossil fuels
sulfur dioxide
brownish irriatant gas formed in fires and silage farms
Nitrogen dioxides
bluish irritant gas produced in air and water purification devices and electrical fields
Ozone
Example of an aliphatic hydrocarbon
CCL4
Example of an aromatic hydrocarbon
Benzene, toluene, xylene
long term exposure to benzene leads to
hematotoxicity and leukemias
Treatment for organophosphate poisoning
Atropine
Pralidoxime
Signs and Symptoms of organophosphate poisoning
DUMBELSS
Diarrhea Urination Miosis Bronchospasm Bradycardia Excitation (skeletal muscle and CNS) Lacrimation Sweating Salivation
Examples of botanical insecticides
nicotine, rotenone, pyrethrum