Fechar
Anthropogenic examples of the 20th century
Carbon Monoxide
Particle Pollutants
Natural Air Pollutants
Anthropogenic Air Pollutants
Indoor Air Pollutants
Which layer of the ozone is considered "bad" ozone? "Good" ozone?
What are the six principal pollutants identified by US EPA?
T/F - Chlorofluorocarbons (CFCs) are the major contributors of damage to the stratospheric ozone layer
Name some common toxicological features of metals
Major metals associated with toxicity
Define Water Pollution
Define and give an example of Point Source pollution
Define and give an example of Nonpoint Source pollution
Sulfur Oxides
Gaseous Air Pollutants
Carbon Dioxide
Nitric Oxide
Ozone (O3)
What are the two heavy metals of greatest health concern regarding drinking water exposure?
What are the two heavy metals of greatest health concern regarding food chain exposure?
Excess of these nutrients can lead to "algal blooms" or eutrophication
T/F - One potential adverse health effects of nitrate entering drinking water is anemia or blue baby disease?
Two most important sources of toxic organic chemicals in water are:
Threshold limit values (TLVs)
Threshold limit value-time-weighted average (TLV-TWA)
Threshold limit value - short-term exposure limit (TLV-STEL)
Threshold limit value-ceiling (TLV-C)
Biologic limit values (BLVs)
Immediately dangerous to life or health (IDLH)
T/F - Metals interacting with enzymes may induce toxic action via either inhibition or activation
Carcinogenic metals
What organ is most susceptible to metal toxicity
Metals can act directly on sex organs
How does acute metal exposure differ from chronic metal exposure?
What is the name of the metal binding protein responsible for regulating the intracellular bioavailability of cadmium, copper, mercury, silver, and zinc
What are the main targets of lead toxicity?
Organic mercury primarily affects the _____ system.
Cadmium inhibits what organelle function?
What two forms of chromium are of biological significance?
T/F - High levels of arsenic may result in gangrene of the lower extremities or cancer of the skin?
What is used to reverse or prevent metal toxicity?
How does a "general" use pesticide differ from a "restricted" use pesticide
Chlorinated hydrocarbons are _____ and cause acute effects by interfering with the transmission of _____
Published by Rachel Carson in Silent Spring, this pesticide was identified as a neurotoxicant that interferes with the transmission of nerve impulses
How do organophosphorus (OP) insecticides exert their toxicity?
Carbamates share a similar mode of action to OPs, inhibiting acetylcholinesterase. What is a notable difference between carbamates and OP insecticides?
Pyrethroid Insecticides
Herbicides
Fungicides
Examples of food additives and containinants
Microbial toxins
Mycotoxins
Algal toxins
Plant toxins (phytotoxins)
Animal toxins
Solvents
Drugs of abuse
Combustion products
Cosmetics
