Exam (elaborations)
EHST 2110 FINAL ECU QUESTIONS AND ANSWERS
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EHST 2110 FINAL ECU QUESTIONS AND ANSWERS
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Name: Score:134 Multiple choice questions
Term 1 of 134
sickle-cell anemia is a disorder of the red blood cells caused by what type of mutation?
silent mutation
chromosome fusion
gene amplification
point mutation
Term 2 of 134
an example of a disease organism(s) that is resistant to chlorination:
desertification and salinization
-cryptospoidium and giardiasis
selective
typhoid fever and cholera
Term 3 of 134
the interaction of elements that produce a greater total effect compared to the sum of the
original effects is known as
potentiation
tolerance
synergism
selective
,Term 4 of 134
globally, an estimated _____ people die each day due to focally contaminated drinking water
550
5,500
500,000
50,000
Term 5 of 134
iron deficiency anemia occurs when:
toxoplasmosis
-the body makes fewer RBCs or irregular RBCs
-body iron storage is low
the loss of topsoil is equal to the gain of topsoil
practicing good hygiene
washing hands frequently
designating certain foods as potentially hazardous
Term 6 of 134
an estimated _____% of the original wetlands in the US have been "lost" since the arrival of
settlers
75%
50%
10%
30%
,Term 7 of 134
this type of insecticide penetrated the body wall of the pest.
contact poison
dust
fumigant
large fish
Term 8 of 134
what is the top contributor to deforestation?
cattle ranching and agriculture
adulteration
-cryptospoidium and giardiasis
waste minimization
Term 9 of 134
what organization established the world health day?
world health organization
national institutes of health
centers for disease control and prevention
agency for healthcare research and quality
, Term 10 of 134
environmental services provided by many wetlands may include
to extract oils and gases from underground
pollution filters
flood water storage areas
tourist attractions
chlorine
-cryptospoidium and giardiasis
Term 11 of 134
a food handling practice that could be used to prevent the loss of harvested crops is _____?
pesticide use
irrigation and fertilization
crop rotation
refrigeration and rat proof grain bins
Term 12 of 134
____ bacterium is carried by the fleas on rats and other rodents. the bacteria often end up killing
the flea's original host and then the fleas look for other hosts including humans.
influenza
malaria
plague
tuberculosis
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