Toxicology Problem Set
Problem 2: Hazards and sources
For help to answer the question:
One of the items below is a hazardous substance. Four are sources of a hazardous substances. Which one is a hazardous substance?
A.
|
clogged furnace
|
B.
|
cigarette
|
C.
|
a dog
|
D.
|
paint applied before 1978
|
E.
|
dust mite parts
|
Tutorial
A hazardous substance is one that causes harm to our health. Hazards must come from a source. Some common hazards and their sources are:
Hazard: |
Source: |
animal dander |
fur-bearing animals, such as dogs or cats |
carbon monoxide |
broken appliances that incompletely burn natural gas or oil, such as furnaces or stoves |
dust mite particles |
dust mites living in beds, carpets, curtains, furniture |
lead |
paint applied before 1978, batteries, water pipes |
mercury |
thermometers, filling in teeth, batteries |
mold spores |
molds which are found especially in damp places like showers |
tobacco smoke |
lighted cigarettes or cigars |
The Southwest Environmental Health Sciences Center
The Biology Project
The University of Arizona
Tuesday, September 16, 1997
Contact the Development Team
http://biology.arizona.edu
All contents copyright © 1997. All rights reserved.
|