EHST 2110 Exam 1 Questions and
Answers 100% Accurate
childhood blindness - ANSWER - Vitamin A
marasmus - ANSWER - Calories/starvation & Protein
anemia - ANSWER - Iron
Kwashiorkor - ANSWER - Protein
mental retardation - ANSWER - Iodine
scurvy - ANSWER - Vitamin C
% of fish eaten today from fish farms - ANSWER - 47%
How many children die each day due to malnutrition related ailments? - ANSWER - 19,000 (6+
million/year)
List several changes in food-handling practices that could implement to prevent loss of
harvested crops. - ANSWER - 1) refrigeration & better storage containers
2) discarding imperfectly looking food
3) eating lower on the food chain
4) eat corn, wheat, oats, not beef
4 reasons for the loss of currently productive agricultural land - ANSWER - 1) urban
development
2) erosion
3) desertification
, 4) salinization
developing countries have a pop age structure that is _____ heavy - ANSWER - bottom
> 15 y/o
pop growth is the largest factor in _____ ______ - ANSWER - food demand
1st law of thermodynamics - ANSWER - energy can neither be created nor destroyed, but may
be changed from one form into another
-solar energy
-heat energy
-kinetic energy
3 factors largely responsible for the significant increase in global food demand - ANSWER - 1)
pop growth
2) wealth/income
3) food chains wasting energy as it climbs
3 factors that have resulted in decreases in pop growth rates - ANSWER - 1) birth & death rates
2) age structure
3) spatial distribution
3 things that cause improvements in increases in growth rates - ANSWER - 1) public sanitation
2) agriculture
3) medicine
"danger zone" for food poisoning bacteria - ANSWER - 41-140 degrees F
3 things associated with population declines - ANSWER - 1) war
2) famine
3) disease
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