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- 1. Multiple Choice
What is a convenient way to describe the toxicity of a chemical to determine the dose to which 50% of the test population is sensitive?
EPA
FDA
LD50
SD50
- 2. Multiple Choice
What is biomagnification?
Only in animals found in oceans
Cells storing nutrients and essential minerals.
Lower level of harmful chemicals in the cells of organisms.
Higher concentration of harmful chemicals in cells of organisms.
- 3. Multiple Choice
What is toxicology?
The study of toxic substances (poisons) and their effects on living organisms.
The study of how people react to the ethanol in alcohol.
The study of toxic waste treatment plants
All of the above.
- 4. Multiple Choice
An odorless, radioactive gas
air pollution
smog
hazardous waste
radon
- 5. Multiple Choice
a fibrous material that has fireproof properties
hazardous waste
asbestos
deforestation
landfill
- 6. Multiple ChoiceThe amount of a potentially harmful substance an individual ingests, inhales, or absorbs through the skin.doseLD50median lethal dosedose-response curve
- 7. Multiple ChoiceStudy of the patterns of disease or other harmful effects from toxic exposure within defined groups of people to find out why some people get sick and some do notToxicologypathologyphrenologyepidemiology
- 8. Multiple ChoiceAmount of a toxic material per unit of body weight of test animals that kills half the test population in a certain timerisk assessmentrisk managementLD50LD60
- 9. Multiple ChoiceChemical or form of radiation that causes inheritable changes in the DNA molecules in the genes found in chromosomesteratogenmutagencarcinogenmetastasis
- 10. Multiple ChoiceChemicals that can harm the human nervous systemcytotoxinsnecrotoxinhemotoxinsneurotoxins
- 11. Multiple ChoiceChemical, ionizing agent, or virus that causes birth defectscarcinogenteratogenmutationmutagen
- 12. Multiple Choice
What is the danger in eating some fish from lakes or ocean?
They may be invasive species.
If abundant, they may lead to a crash in other species.
If they are high on the food chain they may contain high levels of mercury or POP's like PCB's
They may contain too many nutrients from fertilizers.
They may contain parasites that cause cancer
- 13. Multiple Choice
What is it called when a persistent pollutant (like mercury or PCBs) builds up in the tissues of an organism as they continue to eat something that contains the pollutant
Subsidence
Biomagnification
Tragedy of the commons
Bioaccumulation
Cultural eutrophication
- 14. Multiple Choice
A compound such as asbestos which can cause lung cancer after exposure to its fine particles would be considered a/an
Teratogen
Carcinogen
Endocrine disruptor
Neurotoxing
- 15. Multiple Choice
Leads to birth defects
Neurtotoxin
Teratogen
Carcinogen
Neurotoxin
- 16. Multiple ChoiceA child shows symptoms of lead toxicity, which is linked to lead based paint on the bedroom window. This type of poisoning would be consideredAcuteSynergismChronicAntagonism
- 17. Multiple ChoiceAfter the outbreak of an illness scientist use epidemiology to try to findOrigin of the diseaseHow the disease spreadsHow the disease might be prevented from spreadingAll of the above
- 18. Multiple ChoiceWhat is the health impact of leadCancer riskNerve damage/ lower IQDevelopmental issues (hormone mimic)Damage heart health
- 19. Multiple ChoiceHow do scientists determine the toxicity of a chemicalLD50 - expose it to many lab animals at different concentrationswait for reports of death and mayhamIts chemical structurewhich country it is from
- 20. Multiple ChoiceToxicology involvesThe impact of man made chemicalsstudying how harmful ANY material is on organismsstudying patters of disease in our countrystudying emerging diseasess
- 21. Multiple ChoiceEpidemiology isstudy of how harmful a matierial is on organismsstudy of how disease spreads and their originsstudy chemicals to see how harmful they arestudy skin cancer rates only
- 22. Multiple Choice
A person's age, sex, weight, health issues, and genetic makeup influence how he or she responds to
risk assessment
natural disasters
antibiotic resistance
environmental hazards
- 23. Multiple Choice
In the United States, which agency takes the lead for responding to emerging diseases?
Center for Disease Control and Prevention (CDC)
Environmental Protection Agency (EPA)
World Health Organization (WHO)
Federal Emergency Management Agency (FEMA)
- 24. Multiple Choice
The relationship between the different doses and the responses they generate
Dose-response relationship
Environmental health
Earthquake
Toxicology
- 25. Multiple ChoiceAffect on an organism as a result of exposureDoseResponse
- 26. Multiple Choice
Who is significant today due to her writings on the use of DDT?
Silent Rachel
Rachel Carson
John Muir
Clara Barton
- 27. Multiple Choice
Which of the following regulates the introduction of new or already existing chemicals?
Toxic Substances Control Act
REACH
Stockholm convention on persistent organic pollutants
Federal Insecticide, fungicide, and rodenticide act
- 28. Multiple Choice
Which of the following is the name of the international environmental treaty, that aims to eliminate or restrict the production and use of persistent organic pollutants (POPs)?
REACH
Toxic substances control act
Federal Insecticide, fungicide, and rodenticide act
Stockholm convention on persistent organic pollutants
- 29. Multiple Choice
How many tablets of vitamin A would be lethal for a 120lb human? Assume that each tablet contains 3.0 mg of retinal.
1 kg = 2.2 lb
Vitamin A Lethal dose is 2,000 mg/kg
42,000 tablets
36,000 tablets
528,000 tablets
32,000 tablets
- 30. Multiple Choice
Which of the following is a United States federal law that set up the basic U.S. system of pesticide regulation to protect applicators, consumers, and the environment?
REACH
Toxic Substances Control Act
Federal Insecticide, fungicide, and rodenticide act
Stockholm convention on persistent organic pollutants
- Answer choicesTagsAnswer choicesTags