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Exam (elaborations)

EHST 2110 ECU QUESTIONS AND ANSWERS

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  • EHST 2110
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  • EHST 2110

EHST 2110 ECU QUESTIONS AND ANSWERS

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  • September 23, 2024
  • 45
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • EHST 2110
  • EHST 2110
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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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