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1) The higher risk for breast cancer in obese women after menopause is thought to
result mainly from chronic exposure to
a. estrogen.
b. aflatoxin.
c. high-fat diets.
d. sedentary lifestyles.
e. progesterone.
2) Among the following, which promotes constriction of blood vessels, resulting in
elevation of blood pressure?
a. Phytates
b. Angiotensin
c. Aldosterone
d. Carbonic acid
e. Magnesium
3) What two major nutrients are supplied by the fruit group?
a.vitamins D and E
b.vitamins A and C
c.protein and calcium
d.B vitamins and iron
e.vitamin K and magnesium
4) What is the usual fate of orally ingested enzyme supplements?
a. Digestion by gastrointestinal proteases
b. Rapidly degradation by salivary secretions
c. Almost complete absorption in original form from the stomach
d. Complete absorption in original form from the jejunum
e. Rapid excretion through the digestive system
5) What is a feature of the metabolism of surplus dietary fat?
a. Excess fat is almost all stored.
b. Excess fat promotes increased fat oxidation.
c. Excess fat spares breakdown of body proteins.
d. Conversion of excess fat to storage fat is inefficient.
e. Excess dietary fat facilitates conversion of other macronutrients to fat.
6) Which of the following is an important function of selenium?
a. Helps blood to clot
b. Inhibits the formation of free radicals
c. Stabilizes the alcohol content of beer
d. Acts as a cross-linking agent in collagen
e. Is an important natural food preservative
7) Which of the following foods contains a protein that decreases bioavailability of
biotin?
a.Aged wine
b.Aged cheese
c.Raw egg whites
d.Raw cauliflower
e.Citrus fruits
8) In general, the protein quality in grains would be most improved by the addition of a
plant protein rich in ____.
a. lysine
b. tryptophan
c. phenylalanine
d. glutamic acid
e. methionine
9) Which of the following is a characteristic of low-birth-weight infants?
a. They show greater prevalence for liver fat infiltration.
b. They demonstrate catch-up growth within 3 months of birth.
c. They have an increased risk for insulin resistance later in life.
d. They have proportionately larger kidneys and greater risks for low blood pressure.
e. They are more commonly born to upper socioeconomic status women.
10) What is the chief protein in human breast milk?
a. Casein
b. Lactose
c. Albumin
d. Alpha-lactalbumin
e. Lactoferrin
11) What is the reaction that links two monosaccharides together?
a. hydrolysis
b. absorption
c. disaccharide
d. condensation
e. oxygenation
12) Approximately how much saturated fat is in a plain baked potato?
a. 0 g
b. 1 g
c. 2 g
d. 3 g
e. 4 g
13) In what organ is pepsin active?
a. Stomach
b. Pancreas
c. Small intestine
d. Large intestine
e. Liver
14) Which amino acid has been reported to lower blood pressure and reduce
homocysteine levels?
a. Arginine
b. Cysteine
c. Tryptophan
d. Phenylalanine
e. Methionine
15) Which ingredient on a food label would be a source of protein?
a.BHT
b.tofu
c.corn starch
d.diglycerides
e.high fructose corn syrup
16) In which form are most dietary lipids found?
a. Sterols
b. Glycerols
c. Triglycerides
d. Monoglycerides
e. Polyglycerides
17) The famine in Somalia has left ____ children under the age of 5 dead.
a. 10,000
b. 20,000
c. 30,000
d. 40,000
e. 50,000
18) What digestive enzyme would be most affected in people who are unable to
produce hydrochloric acid?
a. Pepsin
b. Transaminase
c. Pancreatic protease
d. Intestinal peptidase
e. Salivary protease
19) What is the best predictor for risk of a stroke?
a. Blood pressure
b. LDL-cholesterol
c. HDL-cholesterol
d. Trans-fatty acid intake
e. Family history
20) AIDS develops from infection by ____________________.
21) The DRI suggest that linoleic acid provide ____________________ of the daily
energy intake and linolenic acid ____________________.
22) What are the benefits of zinc supplementation in developing countries?
23) The organism spread by person-to-person contact as well as raw foods, salads and
sandwiches, causing vomiting in 1 to 2 days that can last 1 to 2 days, is
____________________.
24) Discuss the meaning and significance of foods that are processed, refined, enriched,
fortified, or whole-grain.
25) Explain the meaning and significance of cardiorespiratory endurance.
26) ____________________ is the process of messenger RNA directing the sequence
of amino acids and synthesis of proteins.
27) The hormone that responds to food in the stomach and is secreted by the stomach
walls is ____________________.
