Toxicology Flashcards
Who was the first to describe the relationship between work and illness ?
Hippocrates
Who is considered the father of occupational medicine ?
Bernadino Ramazzini
Who stated that “Poisen is in everything and no thing is without poison. The dosage makes it either a poison or a remedy”
Paracelsus
What did the first fuel for aviation contain ?
Castor oil ( which led to diarrhea )
Name the 3 types of toxic hazards enountered in an aviation enviroment
Physical hazards
Biological hazards
Chemical hazards
What’s an “Occupational hazard”
Anything capable of producing an adverse health or safety effect on an individual
What’s “Tocicology” ?
The scientific study of poisons
Name the types of exposure (to toxins)
Acute exposure
Short period of exposure (smoke in the cockpit)
Chronic exposure
Long term exposure (cigarettes, noise)
What’s TLV ?
“Threshold limit values”
Concentration of a chemical that will produce no effects to an individual if exposed to it for up to 8 hours a day
What’s TLV-STEL ?
“Short term exposure limits”
Concentration of chemicals that are allowed for exposure times up to 15 minutes a day
What’s TLV-C ?
“Ceiling concentration”
Concentration of a chemical that must never be exceeded during a workingday
What are the 3 ways a toxin can enter the body ?
Inhalation
Absorbtion
Ingestion
What’s retention and excretion ?
Retention : How long the toxin remains in the body
Excretion: How quickly the body gets rid of the toxin
Which variables determin an individuals respond to a toxin ?
(they help reduce the concentration of the toxin in the body)
- Metabolism
- Body fat
- Genetics
Which environmental factors effect the toxin ?
- Atmospheric pressure
- Temperature
- Humidity
