PBH 101 – UNIT 2 EXAM WITH CORRECT
ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+
how the chemical gets into the human- ingestion,
inhalation, and transdermal contact
route of exposure
Contaminated air, water, soil or biota that people come in
contact with
exposure media/exposure point
where the chemical was before being released into the
environment
source
air, soil, water, or biota that the chemical is released into
impacted media
how the chemical leaves the source ex; emissions
release mechanism
,What was the actual source of the lead that poisoned Flint
residents?
-Pipes carrying the water through town were made of lead
-an accidental spill into the river from a nearby factory
-Nobody knows where the lead came from
-Contamination of Lake Huron from nearby activities
Pipes carrying the water through town were made of lead
Used in plastics, especially food and drink containers. Are
endocrine disruptors that interfere with the body's
hormones, causing early puberty in females and
abnormalities in sex organs:
BPA
Persistent pollutants resulting from industrial waste. It is
still unsafe for pregnant women and children to eat fish
caught in the Hudson River as a result of this pollutant
PCBs
Has been referred to as the 'king of poisons.' Was
responsible for the worst mass poisoning incident in history
(in Bangladesh)
arsenic
A naturally occurring radioactive gas that increase risk of
lung cancer, especially among smokers
Radon
,If a factory discharges polluted water into a river, this would
be considered _____ pollution.
point source
When chemicals end up in rivers and lakes as a result of
storm water run-off from farms, construction sites, and
urban roadways it is called _____ pollution.
non-point source
Which of these is/are reasons for slow pace of regulation of
hazardous chemicals?
The sheer number of potentially toxic chemicals that exist
Testing for toxicity is expensive and time-consuming
Each chemical has to be regulated separately, which means
dealing with controversy and lawsuits for each one
All of the above
all of the above
Using brine on roadways instead of sand (both of which are
aimed at reducing crashes on icy roads) is an example of a
strategy to prevent which air quality hazard?
particulate matter
ozone
lead
arsenic
particulate matter
, Which of these is a 'physical' (as opposed to chemical)
environmental hazard?
lead
ozone
particulate matter
arsenic
particulate matter
Requiring smog checks and implementing programs to
reduce car idling are primarily aimed at reducing ___ levels
in the air.
ozone
particulate matter
lead
NOx
ozone
Which of the criteria air pollutants is Washoe County NOT
required to monitor?
carbon monoxide
ozone
particulate matter
lead
lead
ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+
how the chemical gets into the human- ingestion,
inhalation, and transdermal contact
route of exposure
Contaminated air, water, soil or biota that people come in
contact with
exposure media/exposure point
where the chemical was before being released into the
environment
source
air, soil, water, or biota that the chemical is released into
impacted media
how the chemical leaves the source ex; emissions
release mechanism
,What was the actual source of the lead that poisoned Flint
residents?
-Pipes carrying the water through town were made of lead
-an accidental spill into the river from a nearby factory
-Nobody knows where the lead came from
-Contamination of Lake Huron from nearby activities
Pipes carrying the water through town were made of lead
Used in plastics, especially food and drink containers. Are
endocrine disruptors that interfere with the body's
hormones, causing early puberty in females and
abnormalities in sex organs:
BPA
Persistent pollutants resulting from industrial waste. It is
still unsafe for pregnant women and children to eat fish
caught in the Hudson River as a result of this pollutant
PCBs
Has been referred to as the 'king of poisons.' Was
responsible for the worst mass poisoning incident in history
(in Bangladesh)
arsenic
A naturally occurring radioactive gas that increase risk of
lung cancer, especially among smokers
Radon
,If a factory discharges polluted water into a river, this would
be considered _____ pollution.
point source
When chemicals end up in rivers and lakes as a result of
storm water run-off from farms, construction sites, and
urban roadways it is called _____ pollution.
non-point source
Which of these is/are reasons for slow pace of regulation of
hazardous chemicals?
The sheer number of potentially toxic chemicals that exist
Testing for toxicity is expensive and time-consuming
Each chemical has to be regulated separately, which means
dealing with controversy and lawsuits for each one
All of the above
all of the above
Using brine on roadways instead of sand (both of which are
aimed at reducing crashes on icy roads) is an example of a
strategy to prevent which air quality hazard?
particulate matter
ozone
lead
arsenic
particulate matter
, Which of these is a 'physical' (as opposed to chemical)
environmental hazard?
lead
ozone
particulate matter
arsenic
particulate matter
Requiring smog checks and implementing programs to
reduce car idling are primarily aimed at reducing ___ levels
in the air.
ozone
particulate matter
lead
NOx
ozone
Which of the criteria air pollutants is Washoe County NOT
required to monitor?
carbon monoxide
ozone
particulate matter
lead
lead
