Quiz: Fateful Triangle
Due Mar 30 at 11:59pm
Points 30
Questions 15
Time Limit 30 Minutes
Instructions
Attempt History
Attempt Time Score
LATEST
Attempt 1
11 minutes 30 out of 30
Correct answers are hidden.
Score for this quiz: 30 out of 30
Submitted Mar 23 at 2:24pm
This attempt took 11 minutes.
Question 1
2 / 2 pts
United States
Norway
India
Chile
China
Question 2
2 / 2 pts
The quiz:
Covers the
Learn
material from
Module 2: Week 2
.
Contains
15 multiple-choice
questions.
Is
limited
to
30 minutes
.
Allows 1 attempt
.
Is
worth 30 points
.
Submit this assignment by 11:59 p.m. (ET) on Sunday of Module 2: Week 2.
Which country leads the world in aquaculture production?
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Quiz: Fateful Triangle: HLTH505: Principles of Environmental Health (D01)
https://canvas.liberty.edu/courses/742362/quizzes/3660185
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vitamin A
iodine
vitamin D
iron
vitamin C
Question 3
2 / 2 pts
Among the poor in developing countries, more child and infant deaths are caused by malnutrition than
by any other single factor
Malnutrition can increase a child’s likelihood of dying from common childhood ailments like diarrhea
The adverse impacts of childhood malnutrition on physical and mental development are reversible if
the child receives an adequate diet when he/she grows older
Malnutrition is far more common among small children and women than among men; girls are more
often malnourished than are boys
Malnourished nursing mothers produce sub-standard breast milk, low in vitamins, fat, and protein
Question 4
2 / 2 pts
protein
total calories/protein
iron
iodine
vitamin A
Question 5
2 / 2 pts
expanding irrigation systems
In developing countries numerous cases of childhood blindness could be prevented each
year simply by adding what micronutrient to children’s diets?
Which of the following statements about malnutrition is
false?
If a severely malnourished child is diagnosed as suffering from marasmus, this indicates
that the victim’s diet is deficient in:
Most of the gains in world food supply since 1950 were achieved by:
3/23/25, 2:25 PM
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clearing and planting previously unoccupied lands
development of aquaculture
improving methods of storing and transporting harvested crops
improving yields per acre through use of farm chemicals and hybrid seeds
Question 6
2 / 2 pts
anemia
marasmus
kwashiorkor
dysentery
beriberi
Question 7
2 / 2 pts
resistant to herbicides
higher yielding
more disease resistant
requires less fertilizer
more drought tolerant
Question 8
2 / 2 pts
blindness
goiter
miscarriage
brain damage
stillbirth
Question 9
2 / 2 pts
Which of the following is a protein-deficiency disease common among impoverished children in developing
countries, characterized by discoloration of the hair, white patches on the skin, and a protruding abdomen due
to the accumulation of fluids?
Why have many farmers opted to plant genetically modified Roundup-Ready corn and
soybeans rather than conventional varieties?
Iodine deficiency (IDD) contributes to the following except ______
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improving the technological level of fishing fleets in order to catch significantly larger tonnages of
table-grade ocean fish
utilizing more lower-grade fish such as krill for direct human consumption
extend territorial waters beyond the current 200 mile limit and exclude foreign fleets from domestic
waters
increase efforts in research and development of aquaculture
eradicate non-human competitors for available fish supplies (e.g. seals, sea otters) so that more fish
will be available for human consumption
Question 10
2 / 2 pts
iodine
iron
vitamin A
niacin
vitamin D
Question 11
2 / 2 pts
niacin
iron
beta carotene
lycopene
iodine
Question 12
2 / 2 pts
Which of the following offers the greatest future possibilities for expanding world fish
consumption?
Worldwide, a dietary deficiency of what important nutrient is the single most important
cause of preventable brain damage and mental retardation?
Golden Rice, a genetically modified grain, is fortified with which nutrient in order to combat vitamin A
deficiency in developing countries?
Which of the following is most directly to blame for the fact that approximately
800million people in the world today are malnourished?
3/23/25, 2:25 PM
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overpopulation
weather-related crop failures
outdated, unproductive farming methods
lack of sufficient arable land
poverty
Question 13
2 / 2 pts
the transition from a hunting-gathering lifestyle to a settled agricultural way of life, occurring about
10,000 years ago
the implementation of effective erosion control techniques following the Dust Bowl days of the 1930s,
leading to increased farm productivity
the civil and political unrest which erupted in a number of developing countries after the disastrous
food price increases of 2008
the introduction of new high-yielding varieties of wheat and rice into a number of developing nations,
greatly boosting their crop yields
the widespread deforestation occurring throughout the tropics due to gathering of fuelwood,
commercial lumbering, and subsistence farming
Question 14
2 / 2 pts
Since the 1990s, total world fish catch has stabilized at 90-95 million tons per year and future
increases are unlikely
the FAO reports that catches of almost half the major ocean fish stocks are at their maximum
sustainable level
approximately 80% of the fish species currently being harvested are the top predators of the marine
food chain
inland fisheries, like those in the ocean, are being exploited at nonsustainable levels
Atlantic cod and halibut are close to commercial extinction
What is meant by the “Green Revolution”?
Which of the following statements about the current state of world fisheries is
false?
3/23/25, 2:25 PM
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Question 15
2 / 2 pts
Per capita food production in Africa has been declining for the past 25 years
Due to record harvests in the late 1990s, world grain reserves are at their highest levels in 30 years
In the U.S. and Europe, additional fertilizer inputs no longer result in appreciable yield increases
Since the mid-1980s, per capita food production in China, India, and Japan has either leveled off or
declined
Further increases in per capita food production are threatened by serious environmental limitations
Quiz Score: 30 out of 30
Which of the following statements regarding food production trends is false?
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