chapter 8: environmental health environmental health 8.1 toxicology 8.2 movement / distribution...
TRANSCRIPT
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Chapter 8: Environmental Health
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EnvironmentalHealth
8.1
Toxicology8.2
Movement / Distribution
Toxins
MeasuringToxicity
Take a Risk
$200 $200 $200 $200 $200
$400 $400 $400 $400 $400
$600 $600 $600 $600 $600
$800 $800 $800 $800 $800
$1000 $1000 $1000 $1000 $1000
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$200 Environmental Health
The complete physical, mental, social and spiritual well being.
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$400 Environmental Health
An abnormal change in individual’s condition that impairs its functions is called:
A. Teratogen C. Disease
B. Pathogen D. mutagen
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$600 Env Health
Who are three agencies who enforce laws and take action about the world’s environmental health?
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$800 Environmental Health
Viruses, bacteria, mosquitoes are
considered________ & are able to spread
disease rapidly.
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$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 _____________?”
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$200 Toxicology
Teratogens induce abnormalities in which of the following cells types:A. Germ D. SkinB. EmbryonicC. Somatic
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$400 Toxicology
These cells change the body’s hormonal chemistry, which affects our development, our behavior and our physiology.
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$600 Toxicology
The study of poisons and their effect on our living systems is called:A. PathologyB. EpidemiologyC. ToxicologyD. Biology
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$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.
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$1000 Toxicologya. 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.
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$200 Movement, Distr & Fate of Toxins
When one mixes a solute in a solvent, this is called…?
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$400 Movement, Distr & Fate of Toxins
Name 3 ways that “toxins” enter into an organism.
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$600 Movement, Distrib & Fate of Toxins
Used as flame retardants in textiles, foam in upholstery and plastic in computers and appliances.
A. PFOAB. PCB’sC. PBDEsD. Phtalates
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$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.
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$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.
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$200 Measuring Toxicity
Highly persistent organic pollutants are toxic because…?
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$400 Measuring Toxicity
What is occurring in this graph?
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$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.
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$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.
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$1000 Measuring Toxicity
Describe how synergeistic effects with another chemical
can problems with understanding a threshold value
for PCB’s exposure.
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$200 Take A risk
Explain why eating larger predatory fish such as tuna and sea bass, than from eating small
non-predatory fish.
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$400 Take a Risk
The harm caused by the hazard increases as the amount of
hazard entering the body (dose) increases.
What is a______________
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$600 Take a Risk
The scientific process of estimating the threat of
particular chemicals which have an effect upon human
health.
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$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?
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$1000 Take a Risk
Name 2 chemicals from the POP list and explain their sources.