Final 2026 Exam Questions and
Answers | Already Graded A+
Volcanoes are an example of what physical environment? - ANSWER
✔✔Unaltered/natural
Motor vehicle injuries are an example of what physical environment? -
ANSWER ✔✔Built
Mercury contamination in the Great Lakes is an example of what
physical environment? - ANSWER ✔✔Altered
,A chemical is absorbed through the digestive tract but not the skin is an
example of which of the following that affect the impact of an exposure?
a. route of exposure
b. timing of exposure
c. stage of life
d. presence of other disease
e. special sensitivities - ANSWER ✔✔route of exposure
Small amount of exposure may produce an allergic reaction in a small
number of people is an example of which of the following that affect the
impact of an exposure?
a. route of exposure
b. timing of exposure
c. stage of life
d. presence of other disease
e. special sensitivities - ANSWER ✔✔special sensitivities
Daily, low dose exposure may produce different impacts than short-term,
high dose exposure is an example of which of the following that affect
the impact of an exposure?
,a. route of exposure
b. timing of exposure
c. stage of life
d. presence of other disease
e. special sensitivities - ANSWER ✔✔timing of exposure
Chemical X in plastics is found to double the frequency of asthma when
inhaled for more than 2 hours per day at greater than 2ppm
a. risk assessment
b. ecological assessment
c. interaction analysis
d. systems analysis
e. public health assessment - ANSWER ✔✔risk assessment
Chemical X enters a small river and is ingested by fish and reduces
reproduction rate
a. Risk assessment
b. Ecological assessment
c. Interaction analysis
d. Systems analysis
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, e. Public health assessment - ANSWER ✔✔ecological assessment
Impact of Chemical X is greater when there is exposure to Chemical Y at
the same time
a. risk assessment
b. ecological assessment
c. interaction analysis
d. systems analysis
e. public health assessment - ANSWER ✔✔interaction analysis
All of the following are true of lead as an environmental hazard except:
a. Exposure to lead may come from food, water, air
b. Paint in toys as a source
c. Paint in homes is no longer a source because lead is not allowed in
paint
d. The higher the blood lead levels, the more severe the biological
effects of lead poisoning - ANSWER ✔✔paint in homes is no longer a
source because lead is not allowed in paint
Why is it more difficult to measure the effect of toxic substances on
population health?