Exam (elaborations)
EHST 2110 ECU QUESTIONS AND ANSWERS
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EHST 2110 ECU QUESTIONS AND ANSWERS
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Name: Score:47 Multiple choice questions
Term 1 of 47
Which area of the world currently has the longest doubling time?
Africa
Europe
Asia
The United States
Term 2 of 47
What does LOEL stand for?
Housing and Urban Development
Vitamin a deficiency
Lowest observable effect level
Iodine deficiency disorder (can get iodine from salt)
Term 3 of 47
Give three examples of chemical agents
environmental protection agency
cleaning agents
pesticides
petroleum
chernobyl
oil spills
Chernobyl
Oil spills
,Term 4 of 47
What does HUD stand for?
Environmental Protection Agency
Health and Human Services
Housing and Urban Development
The Public School System
Term 5 of 47
What is one of the leading causes of cancer?
iodine
genetics
poverty
genotype
Term 6 of 47
Define chemical agents
substances that cause disease because of their mass or ability to engage in chemical
reactions with molecules in the body
Occurs when exposed subjects are incorrectly classified as unexposed or vice-versa
Happens by assigning an exposure level to a large area
Vitamin C - scurvy
Niacin - Pellagra
Vitamin D - Rickets
Vitamin B (thiamine) - Beri-Beri
Functional units of nature in which living organisms interact with each other and with the
non-living components of their environment to process energy and cycle nutrients
,Term 7 of 47
What does FAO stand for?
Food and Agriculture Organization (created BMR)
Basal metabolic rate (does not include energy required to do any activity)
WHO says 2-3.5 billion people are more suseptable to diseases, stunted mental and
physical development, and have a lack of energy.
Environmental protection agency
Term 8 of 47
Define doubling time
the period it takes for a species to become extinct
the time required for a population to double its size
the time taken for a population to migrate to a new area
the average lifespan of individuals in a population
Term 9 of 47
List four known causative agents of disease related to environmental effects
No Observable Effect Level
No Observable Adverse Effect Level
biological agents
chemical agents
physical agents
too little of something
fish and waterfowl
Life-style
Genetics
Environment
Medical care
, Term 10 of 47
All energy is moving toward an ever less available and more dispersed state is the definition of:
enthalpy
iodine
the united states
entropy
Term 11 of 47
Define exposure misclassification
Functional units of nature in which living organisms interact with each other and with the
non-living components of their environment to process energy and cycle nutrients
Occurs when exposed subjects are incorrectly classified as unexposed or vice-versa
Happens by assigning an exposure level to a large area
- The relationship between the environment and health. It encompasses control of
environmental factors and aims to prevent disease
- All the physical, cchemical, and biological factors external to a person, and all the
related behaviors
Changes in population in response to environemnt stress or changes in environmental
conditions.
Term 12 of 47
Dangerous dosing of poison for adults and toddlers:
adults - 3/4 tsp
toddlers -11/31 tsp
adults - 1/6 tsp
toddlers -1/8 tsp
adults - 3/4 tsp
toddlers -1/8 tsp
adults - 3/4 tsp
toddlers -2/12 tsp
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