BIOL 759 Midterm

subject Type Homework Help
subject Pages 9
subject Words 2049
subject Authors Eleanor Noss Whitney, Sharon Rady Rolfes

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page-pf1
1) What type of nutrient is starch?
a. fiber
b. gluten
c. simple carbohydrate
d. complex carbohydrate
e. compound carbohydrate
2) Which of the following nutrients are required in higher amounts during pregnancy
due to their roles in the synthesis of red blood cells?
a. Protein and chromium
b. Folate and vitamin B12
c. Calcium and vitamin A
d. Vitamin E and vitamin C
e. Selenium and iron
3) A person's customary intake of foods and beverages over time defines her or his
____.
a.body weight
b.eating pattern
c.genetic predisposition
d.risk for inherited diseases
e.preference pattern
4) What disease accounts for the majority of deaths in U.S. women?
a. Diabetes
b. Lung cancer
c. Breast cancer
d. Coronary heart disease
e. Stroke
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5) What is the function of bile?
a. It emulsifies fats.
b. It initiates digestion of protein.
c. It enhances absorption of complex carbohydrates.
d. It protects the stomach and small intestine from the action of hydrochloric acid.
e. It stimulates the absorption of vitamins and minerals.
6) What is a function of the intestinal microvilli?
a. Secretion of bile salts
b. Secretion of digestive acid
c. Transport of nutrient molecules
d. Transport of pancreatic enzymes
e. Stimulation of peristalsis
7) Which of the following vitamins is synthesized by intestinal bacteria?
a.A
b.C
c.D
d.E
e.K
8) Athletes can safely add muscle tissue by
a. tripling protein intake.
b. taking hormones duplicating those of puberty.
c. putting a demand on muscles repeatedly by making them work harder.
d. relying on protein for muscle fuel and decreasing intake of carbohydrates.
e. exercising to exhaustion and then relying on electrical stimulation for further muscle
building.
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9) Which item is contained in an amino acid?
a. An acid group
b. An ester group
c. An aldehyde group
d. A central hydrogen atom
e. A central oxygen atom
10) The main function of vitamin E in the body is to act as a(n)
a.peroxide.
b.coenzyme.
c.antioxidant.
d.free radical.
e.immune stimulant.
11) Of the following foods, which would be the only source of vitamin B12?
a.Pecans
b.Hot dog
c.Cauliflower
d.Whole-grain bread
e.Plain soy or rice milk
12) Which of the following is true of RUTF?
a. It restores fluids.
b. It is powdered and must be rehydrated for use.
c. It is administered IV.
d. It is a paste made from local commodities.
e. Children dislike the taste and often must be forced to eat it.
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13) Which nutrient is an organic compound?
a.salt
b.water
c.calcium
d.vitamin C
e.iron
14) Which of the following is a feature of the stress response in men and women?
a. Women’s general reactions to stress are different than those of men.
b. The ability to respond is weaker in older women compared with older men.
c. The secretion of epinephrine is suppressed in elderly women compared with elderly
men.
d. Psychological stressors such as divorce or death of a loved one are handled much less
well by elderly men compared with elderly women.
e. There are no clinically important differences in men’s and women’s responses to
stress.
15) Which of the following is a feature of heavy metal intake and pregnancy?
a. Mercury, but not lead, can easily cross the placenta.
b. Lead and mercury both damage the fetal nervous system.
c. Pregnant women are advised to limit consumption of shark and swordfish to no more
than once per week.
d. Pregnant women are advised to avoid shellfish around the critical period of brain
development but may resume normal intake thereafter.
e. King mackerel and tilefish are both safe to consume as much as desired.
16) Water that has the odor of €rotten eggs€ is most likely contaminated with
a. sulfur.
b. dioxins.
c. Giardia.
d. Cryptosporidium.
e. chloramines.
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17) What is a feature of the Daily Values found on food labels?
a.They are updated every two years as mandated by the USDA.
b.They are expressed on a "per 1000-kcalorie intake" basis.
c.They assist people in determining whether a food contains a little or a lot of a nutrient.
d.They define a food as an excellent source of a nutrient if it contributes at least 50% of
the dietary recommended intake.
e.They assign grades of A, B, C, D, or F to foods.
18) If a dietary supplement poses a significant risk of illness to consumers, what agency
must prove harm before removing the product from the market?
a.FDA
b.CDC
c.USDA
d.USPHS
e.DHHS
19) Chylomicrons are synthesized within the ____.
a. liver
b. intestinal cells
c. lymphatic system
d. storage compartment of plant seeds
e. spleen
20) Which of the following is the primary function of potassium?
a. Participates in wound healing
b. Helps maintain gastric acidity
c. Acts as principal intracellular electrolyte
d. Protects bone structures against degeneration
e. Acts as a neurotransmitter
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21) ____________________ responds to fat or protein in the small intestine and
stimulates both the pancreas and gallbladder.
22) Discuss the changes in macronutrient needs in pregnancy.
23) The weight-loss drug ____________________ interacts with brain serotonin
receptors to increase satiety and reduce food intake.
page-pf7
24) ____________________ sugar is produced using the same refining process as white
sugar, but without the bleaching and anticaking treatment.
25) Discuss the effects of obesity in childhood. What steps can be taken to prevent and
to treat this condition?
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26) In the first step of alcohol metabolism, alcohol dehydrogenase oxidizes alcohol to
____________________.

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