FON 254

subject Type Homework Help
subject Pages 7
subject Words 1627
subject Authors Eleanor Noss Whitney, Sharon Rady Rolfes

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1) Which of the following is a feature of water metabolism during exercise?
a. The maximum loss of fluid per hour of exercise is about 0.5 liters.
b. In cold weather, the need for water falls dramatically because the body does not
sweat.
c. Sweat losses can exceed the capacity of the GI tract to absorb water, resulting in
some degree of dehydration.
d. Heavy sweating leads to a marked rise in the thirst sensation to stimulate water
intake, which delays the onset of dehydration.
e. Water loss of greater than 1 percent can decrease capacity to do muscular work.
2) Chris has been competing all day in a track competition and is now ready for the
100-meter dash. Although he feels tired, which of the following high-energy muscle
compounds can he rely on for quick energy in this event?
a. Fat
b. Lactate
c. Creatine phosphate
d. Adenosine diphosphate
e. Adenosine triphosphate
3) A high risk of heart attack correlates with high blood levels of ____.
a. free fatty acids
b. high-density lipoproteins
c. low-density lipoproteins
d. very low-density lipoproteins
e. omega-3 fatty acids
4) What is the most realistic advice for reducing lead exposure from the tap water used
to prepare infant formula?
a. Because the lead in hot water pipes settles out overnight, draw the water from this
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source first.
b. Whenever possible, boil the water to vaporize the lead and thus decrease the amount
remaining in the water.
c. Because the first water drawn from the tap each day is highest in lead, let the water
run a few minutes before using it.
d. To inhibit lead absorption, add a small amount of citrus juice to the water to provide
citric acid to complex with the lead.
e. Filtering the water through a clean coffee filter will typically remove the majority of
lead contamination.
5) Which of the following is present in highest concentration in soft water?
a. Sodium
b. Calcium
c. Manganese
d. Phosphorus
e. Magnesium
6) What should be the first cereal introduced to the infant?
a. Oat
b. Corn
c. Rice
d. Wheat
e. Barley
7) What population group consumes the most soft drinks each day at school?
a. Teenage boys
b. Teenage girls
c. 10 to 12 year-old boys
d. 10 to 12 year-old girls
e. 8 to 10 year-old boys and girls
8) Which of the following is a feature of weight gain and genetics?
a.Obese people can change their genome but not their epigenome.
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b.Exercise has little, if any, effect on the genetic influence on weight gain.
c.Identical twins are half as likely to weigh the same compared with fraternal twins.
d.Adopted children tend to have body weights more like their biological parents than
their adoptive parents.
e.There is very little evidence that genetic factors contribute to obesity, except in the
presence of certain rare syndromes.
9) What is a blastocyst?
a. The 5-day-old zygote that becomes implanted in the uterine wall
b. The terminal end of the umbilical cord that attaches to the placenta
c. Fingerlike projections on the uterine wall that act to separate fetal from maternal
tissues
d. The network of placental blood vessels that exchanges nutrients and waste products
from mother to fetus
e. The structure that develops in place of the brain in an anencephalicinfant
10) A child with bowed legs is likely deficient in vitamin
a.A.
b.B12.
c.C.
d.D.
e.E.
11) 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
e.Egg whites
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12) What is a feature of the Nutrition Facts panel on a food label?
a.Trans fat content is optional.
b.Saturated fat must be listed.
c.Naturally present sugars are excluded.
d.Soluble and insoluble fiber must be listed separately.
e.Unsaturated fats must be listed.
13) Approximately how many kcalories per week should be expended in physical
activity in order to maintain a weight loss?
a.2500
b.3500
c.4500
d.5500
e.6500
14) A person who assists registered dietitians has the formal title of ____.
a.dietetic assistant
b.nutrition assistant
c.dietetic technician
d.nutrition technician
e.dietetic aide
15) What should be the composition of the last (pregame) meal before an athletic
event?
a. High-protein, providing 30 kcal per kg body weight.
b. Vegetable and fruit juices, providing 100 to 200 kcal.
c. High-carbohydrate, low-fiber, providing 300 to 800 kcal.
d. High-fiber, providing 200 to 300 kcal and liberal amounts of fluid, which is
beneficially retained by the fiber in the GI tract.
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e. Bulky, fiber-rich foods providing at least 800 kcal
16) Cholesterol from outside the body is called ____________________ cholesterol.
17) Because the body can derive vitamin A from both retinoids and carotenoids, its
content in foods and its recommendations are expressed as ____________________.
18) ____________________ forms part of the protein-making machinery and is
necessary for energy metabolism.
19) Identify and describe the major categories of food additives.
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20) Explain the importance of the placebo and the double-blind technique in carrying
out research studies.
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21) Discuss the concepts of sugar cravings and addictions.

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