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EHST 2110 FINAL EXAM STUDY GUIDE QUESTIONS AND ANSWERS
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EHST 2110 FINAL EXAM STUDY GUIDE QUESTIONS AND ANSWERS
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Name: Score:100 Multiple choice questions
Term 1 of 100
What is a "waste exchange"?
a network for sharing information about recycling programs
an information clearing house for hazardous wastes, putting waste generators in contact
with firms which could use those wastes as raw material
a platform for trading stocks and bonds
a marketplace for buying and selling waste materials
Term 2 of 100
An example of persistent, broad-spectrum insecticide is:
PCBS
DDT
LEAD
NITRATES
Term 3 of 100
What actions are being taken under the mandates of the "superfund" (CERCLA) law?
implementation of programs to enhance wildlife conservation in national parks
development of infrastructure for renewable energy production in rural areas
emergency cleanup and containment of abandoned hazardous waste disposal sites
enforcement of regulations to reduce noise pollution in residential neighborhoods
,Term 4 of 100
The scope of food borne illnesses is difficult to assess because most cases are:
from other countries
associated with fruits and vegetables
seen by family physicians
misdiagnosed and unreported
Term 5 of 100
Which of the following waterborne pathogens is the most resistant to chlorination?
bacteria
cryptosporidium
viruses
salmonella
Term 6 of 100
Substances intentionally added to food to modify its taste, color, texture or resistance to
deterioration are called:
cleaning supplies
natural additives
food contaminants
food additives
,Term 7 of 100
In the U.S. and Western Europe, massive programs of sewage treatment plant construction in
the early 20th century followed the gradual realization that discharging raw sewage into rivers
often resulted in epidemic outbreaks of what 2 deadly bacterial diseases?
Giardiasis
Schistosomiasis and malaria
Typhoid fever and cholera
Poliomyelitis and hepatitis b
Term 8 of 100
List the 4 approved methods of thawing frozen foods:
improve the quality of effluent to the point that it can be returned to a waterway without
harming aquatic life or endangering public health
bottom shelf of the fridge
microwave
run (70 degrees) tap water over frozen food
small separate containers
Population explosion of formerly insignificant pests which become economically
important after spraying eliminates most of their natural enemies
a method aimed at keeping pest populations below the level at which they can cause
significant harm by using a combination of controls such as natural enemies, sanitation,
and judicious use of chemicals when necessary
Term 9 of 100
Which of the following would be an example of "source separation" of wastes, aimed at
encouraging resource recovery?
dumping all waste into a single landfill without any sorting
burning all waste materials in an incinerator
municipal curbside collection programs, picking up newspapers, glass and aluminum
containers set out by homeowners in residential neighborhoods
exporting all waste to another country for disposal
, Term 10 of 100
What is HACCP?
state law
federal law
point source pollution
hazard analysis of critical control point
Term 11 of 100
Municipal treatment plants that discharge directly into the waterways are called:
primary sewage treatment
thermal inversion
point source pollution
potable water
Term 12 of 100
What contaminant in drinking water is regulated because of its potential for causing "blue baby
disease"?
trihalomethanes
chlorides
nitrates
pesticides
Term 13 of 100
Most onsite wastewater disposal systems are composed of:
septic tank and soil absorption field
point source and nonpoint source
house and septic tank
baffle wall and sanitary fee
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