NUTR 794 Midterm

subject Type Homework Help
subject Pages 8
subject Words 1601
subject Authors Ellie Whitney, Sharon Rady Rolfes

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1) What mineral is part of vitamin B12?
a.Copper
b.Cobalt
c.Nickel
d.Vanadium
2) What is meant by potable water?
a.Water fit for drinking
b.Water that must be boiled before drinking
c.Water that must be chlorinated before drinking
d.Water suitable only for use on lawns and gardens
3) The series of reactions involving the conversion of glucose to pyruvate is known as
a.pyrolysis
b.glycolysis
c.beta-oxidation
d.coupled reaction
4) Which of the following statements describes one aspect of mineral nutrition of older
adults?
a.Zinc intake is adequate for about 95% of this group
b.Iron absorption is reduced due to low stomach acidity
c.Calcium intakes of females are near the RDA for this group
d.Calcium allowances for this group have recently been increased by the Committee on
Dietary Reference Intakes
5) What is a free radical?
a.An antioxidant substance that prevents accumulation of cell-damaging oxides
b.A substance in food that interacts with nutrients to decrease their utilization
c.A nutrient in excess of body needs that the body is free to degrade with no
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consequence
d.A molecule that is unstable and highly reactive because it contains unpaired electrons
6) What is the function of intrinsic factor in vitamin B12 absorption?
a.It catalyzes release of the vitamin from its protein-bound form
b.It attaches to the vitamin, thereby allowing absorption from the small intestine
c.It acts as a storage protein for the vitamin within the intestinal epithelial cells
d.It acts as a cofactor for mucosal enzymes involved in absorption of the vitamin
7) Which of the following is a characteristic of neural tube defects?
a.They occur in about 3,000 pregnancies in the United States each year
b.They include common disorders such as liver and kidney disease
c.They can be prevented by supplementation of the pregnant womans diet with vitamin
B12
d.They can be prevented by supplementation of the pregnant womans diet with vitamins
A and E
8) By law, a serving size on beverage food labels is
a.4-6 fluid ounces
b.8 fluid ounces
c.10-12 fluid ounces
d.16 fluid ounces
9) What is the average monthly benefit for a recipient of SNAP?
a.$10
b.$35
c.$134
d.$185
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10) Which of the following is a feature of vitamin E supplementation and physical
activity?
a.Some studies indicate that vitamin E supplementation for 3 weeks protects against the
development of sports anemia in women
b.Some studies show that vitamin E in high doses seems to protect against
exercise-induced oxidative stress whereas others show the opposite
c.Some studies show that vitamin E supplements improve aerobic performance by
25-30% in endurance athletes competing outdoors in air-polluted environments
d.Some studies show that high-dose vitamin E intake protects against premature
oxidation of conjugated linoleic acid supplements, which serve as a unique fuel for
strength athletes
11) A cancer that originates from bone is a(n)
a.sarcoma
b.carcinoma
c.osteocarcinoma
d.hematopoietic neoplasm
12) A clinical trial must involve
a.tissue cells in culture
b.rats or mice as subjects
c.human beings as subjects
d.computer modeling to design the study
13) What is the most likely explanation for the increased prevalence of obesity in
children over the past 30 years?
a.They eat more snacks
b.They sleep more hours
c.They consume more sugar and fat
d.They eat more and are less active physically
14) For people with diabetes, dietary guidelines include all of the following EXCEPT
a.sugar and sugar-containing foods need not be avoided
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b.the glycemic effect of foods should be a primary consideration
c.diets should provide a consistent carbohydrate intake spaced throughout the day
d.the dietary amount of carbohydrate is more important than the source of carbohydrate
15) Many countries restrict the varieties of commercially-grown lima beans due to the
seeds content of
a.cyanide
b.solanine
c.goitrogens
d.hallucinogens
16) What is thought to be the primary function of the oligosaccharides in breast milk?
a.Stimulation of the let-down reflex
b.Protection from infections in the infant
c.Stimulation of salivary amylase in the infant
d.Enhanced bioavailability of DHA and arachidonic acid
17) Which of the following describes a known long-term relationship among poverty,
hunger, and population growth?
a.As economic status improves, population growth rises
b.As economic status improves, population growth diminishes
c.Lack of natural resources rather than poverty is the most important contributor to
overpopulation
d.Over the last decade the increase in the worlds food output has been greater than the
increase in the worlds population
18) What is the major source of dietary sulfur?
a.Fats
b.Protein
c.Mineral salts
d.Carbohydrates
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19) A reference protein equals or exceeds the essential amino acid requirements of all of
the following population groups EXCEPT
a.infants
b.preschool aged children
c.adolescents
d.elderly
20) Which of the following is a feature of bovine growth hormone use in the United
States?
a.It decreases udder infections in cows
b.None can be detected in meat or milk of cows receiving it
c.If consumed from foods, it is denatured by enzymes in the GI tract
d.If consumed from foods, it could potentially stimulate receptors for human growth
hormone
21) The weight of the body less the fat content is known as the
a.cherubic index
b.lean body mass
c.body mass index
d.ideal body weight
22) Which of the following is a benefit of glucose polymer sports drinks as compared
with sugar-containing drinks?
a.They supply more energy per gram of carbohydrate
b.They require less digestion and therefore are absorbed faster into the circulation
c.They attract less water in the GI tract and thus allow more water to remain in
circulation
d.They are absorbed much more slowly and therefore provide a more even carbohydrate
load to the body
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23) What is the term that describes the allowance of most additives in foods at levels
100 times below the lowest level known to cause any harmful effects?
a.Toxicity range
b.Zone of hazard
c.Acceptable area
d.Margin of safety
24) What is the name of the animal polysaccharide composed of glucose units?
a.Fiber
b.Enzyme
c.Dextrin
d.Glycogen
25) Which of the following are major sources of vitamin E in the diet?
a.Meats
b.Citrus fruits
c.Vegetable oils
d.Milk and dairy products
26) Naturally occurring food sources of fluoride include all of the following EXCEPT
a.teas
b.tuna
c.milk
d.shrimp
27) Which of the following is a characteristic of home water treatments?
a.Activated carbon filters are effective in removing chlorine
b.Most home filtration systems are highly efficient at removing virtually all types of
contaminants
c.Boiling the water is effective at removing all organic chemicals as well as killing
microorganisms
d.Most home filtration systems combine the processes of heavy metal removal, killing
of microorganisms, softening of the water, and addition of enhancers
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28) What fraction of reported foodborne illnesses can be attributed to the food industry?
a.1/10
b.1/3
c.1/2
d.4/5
29) Which of the following is a common cause of constipation?
a.High-fat diet
b.High-carbohydrate diet
c.Lack of physical activity
d.Excessive mineral oil intake
30) What is the largest federal food assistance program in the United States?
a.WIC
b.EAT
c.National Food Resource Program
d.Supplemental Nutrition Assistance Program
31) The intestinal flora are comprised primarily of
a.villi
b.bacteria
c.mucosa
d.probiotics
32) Peptic ulcers can be caused by
acidic foods
bacteria
spicy foods
smoking
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33) What approach is taken in setting recommendations for energy intakes? Why is this
approach taken? How does this approach differ from that taken for other nutrients?
34) Foods such as peanuts, GORP, cheese, and salami are good choices for hiking
because they
provide concentrated energy
are easily packed
are high-fat foods
all of the above
35) How do package sizes and serving containers influence food intake?
36) Explain the interactions of the anticancer drug methotrexate and folate.
37) Someone with high blood cholesterol would be advised to frequently monitor and
reduce
dietary cholesterol intake
total fat intake
saturated fat intake
all of the above

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