Chapter 8:
Environmental Health
Environmental
Health
8.1
Toxicology
8.2
Movement /
Distribution
Toxins
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Measuring
Toxicity
Take a Risk
$200 Environmental Health
The complete physical,
mental, social and spiritual
well being.
$400 Environmental Health
An abnormal change in
individual’s condition that
impairs its functions is called:
A. Teratogen
C. Disease
B. Pathogen
D. mutagen
$600 Env Health
Who are three agencies who
enforce laws and take action about
the world’s environmental health?
$800 Environmental Health
Viruses, bacteria,
mosquitoes are
considered________ &
are able to spread
disease rapidly.
$1000 Environmental Health
Healthy agencies, such as who,
calculate the total cost of the disease
or illness by combining premature
deaths & loss of a healthy lifestyle
resulting from illness or disease is
called…”What is _____________?”
$200 Toxicology
Teratogens induce
abnormalities in which of the
following cells types:
A. Germ
D. Skin
B. Embryonic
C. Somatic
$400 Toxicology
These cells change the
body’s hormonal chemistry,
which affects our
development, our behavior
and our physiology.
$600 Toxicology
The study of poisons and their effect on our living
systems is called:
A. Pathology
B. Epidemiology
C. Toxicology
D. Biology
$800 Toxicology
Allergens are substances that
A. repress the immune system.
B. stimulate the nervous system.
C. prevent oxygen uptake.
D. activate the immune system.
E. interfere with oxygen uptake.
$1000 Toxicology
a. What is sick building syndrome?
b. Name 3 substances which
contribute to ‘sick building
syndrome’.
c. Give an example of a health
condition caused by sick building
syndrome.
$200 Movement, Distr &
Fate of Toxins
When one mixes a solute
in a solvent, this is
called…?
$400 Movement, Distr &
Fate of Toxins
Name 3 ways that “toxins”
enter into an organism.
$600 Movement, Distrib &
Fate of Toxins
Used as flame retardants in textiles,
foam in upholstery and plastic in
computers and appliances.
A.
B.
C.
D.
PFOA
PCB’s
PBDEs
Phtalates
$800 Movement, Distrib &
Fate of Toxins
Found in cosmetics, deodorants
and many soft plastics such as poly
vinyl chloride used for food
packaging, children’s toys and
medical devices. Causes kidney &
liver damage, some cancers and
endrocrine disruptors.
$1000 Movement, Distr &
Fate of Toxins
A prime plastics ingredients found
in water bottles, baby bottles, tooth
protecting sealants. Causes
abnormal chromosomal #’s, mental
retardation, miscarriages and may
alter sexual development in both
males & females.
$200 Measuring Toxicity
Highly persistent organic
pollutants are toxic
because…?
$400 Measuring Toxicity
What is occurring in this
graph?
$600 Measuring Toxicity
An LD50 is a dose of a toxic chemical that
A. is an acceptable level of risk for most
individuals.
B. all individuals react to.
C. kills individuals 50 years old and over.
D. is 50 times less than the minimal dose.
E. kills half of the population.
$800 Measuring Toxicity
Detection of toxic chemicals depends upon
A. how many chemicals are present.
B. how many individuals respond to them at a
certain dosage.
C. the sensitivity of measuring techniques
and how many chemicals are present.
D. whether or not individuals or groups of
individuals are sensitive to them.
$1000 Measuring Toxicity
Describe how synergeistic
effects with another chemical
can problems with
understanding a threshold value
for PCB’s exposure.
$200 Take A risk
Explain why eating larger
predatory fish such as tuna and
sea bass, than from eating small
non-predatory fish.
$400 Take a Risk
The harm caused by the hazard
increases as the amount of
hazard entering the body (dose)
increases.
What is a______________
$600 Take a Risk
The scientific process of
estimating the threat of
particular chemicals which
have an effect upon human
health.
$800 Take A Risk
Sets priorities and evaluates
relevant factors to make
regulatory decisions.
a. What is this called?
b. Which agency assists with
this effort?
$1000 Take a Risk
Name 2 chemicals from the POP list
and explain their sources.