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1) What is the role of omega-3 fatty acids in immune functioning?
a. Maintain healthy skin and other epithelial tissues as barriers to infection.
b. Regulate T-cell responses.
c. Help to resolve inflammation when it is no longer needed for the immune response.
d. Participate in antibody production.
e. Helps maintain an effective immune response.
2) Refined grain products contain only the ____.
a.bran
b.husk
c.germ
d.endosperm
e.chaff
3) Which of the following describes the actions of a carcinogen?
a. Initiates cancer
b. Inhibits cancer
c. Treats cancer
d. Acts as an antipromoter
e. Stimulates tumor necrosis
4) What is the benefit of postpartum amenorrhea?
a. It stimulates milk production.
b. It conserves iron in the mother.
c. It stimulates the let-down reflex.
d. It stimulates the suckling reflex in the infant.
e. It is a reliable form of birth control.
5) What are cytokines?
a. Scavengers of the immune system
b. Specialized antibodies that retain B-cell memory
c. Specialized proteins that activate responses to infection
d. Highly specific cells that attack only one type of antigen
e. Lymphocytes that produce antibodies
6) What is the standard chemical used to remove caffeine from coffee beans?
a. Nitric acid
b. Sodium propionate
c. Methylene chloride
d. Polybrominated biphenyl
e. Hydrochloric acid
7) The concept of nutrient density is most helpful in achieving what principle of diet
planning?
a.Variety
b.Balance
c.Moderation
d.kcalorie control
e.cost control
8) Which of the following is a major binding protein for zinc?
a. Ligand
b. Ferritin
c. Hemosiderin
d. Metallothionein
e. Albumin
9) When an adult gains an extra 10 pounds of body weight, approximately how much of
this weight is fat?
a.1 lb
b.2.5 lbs
c.5 lbs
d.7.5 lbs
e.9 lbs
10) What was the average life expectancy of a person born in the year 1900?
a. 47 years
b. 55 years
c. 61 years
d. 68 years
e. 71 years
11) Matching:
a. Soy
b. Urea
c. Pepsin
d. Lysine
e. Gelatin
f. Alanine
g. Insulin
h. Infection
i. Tyrosine
j. Collagen
k. Denatured
l. Ribosome
m. Enzyme
n. Kwashiorkor
o. Pregnancy
p. Edema
q. Hemoglobin
r. Hydrophobic
s. Homocysteine
t. Buffer
1>A dietary nonessential amino acid
2>A conditionally essential amino acid
3>A small protein
4>A large protein that carries oxygen
5>Substances repelled by water
6>Describes protein exposed to severe heat
7>An active protease
8>A cell structure where protein synthesis takes place
9>A connective tissue protein
10>A protein catalyst
11>Excessive fluid residing between cells
12>Substance that keeps the pH constant
13>A condition that favors positive nitrogen balance
14>A condition that favors negative nitrogen balance
15>A product of amino acid breakdown
16>A dietary protein lacking tryptophan
17>A good quality protein source
18>A typical limiting amino acid
19>A condition of protein malnutrition
20>An amino acid associated with heart disease
12) What is the primary organ that oxidizes alcohol?
a. Brain
b. Liver
c. Pancreas
d. Stomach
e. Small intestine
13) Which animal-derived protein is classified as a poor-quality protein?
a. Fish
b. Cheese
c. Gelatin
d. Turkey
e. Fatty fish
14) Which of the following is a feature of the electron transport chain?
a. It captures energy in the high-energy bonds of ATP.
b. It pumps carbon dioxide across the mitochondrial membrane.
c. It is composed of a series of coenzymes that transfer electrons up a concentration
gradient.
d. It combines oxygen from carbon dioxide with hydrogen generated from the splitting
of water.
e. It facilitates the transport of sodium and calcium.
15) What term describes the possibility of harm from normal use of a substance?
a. Hazard
b. Toxicity
c. Bioinsecurity
d. Food insecurity
e. Riskiness
16) The disease phenylketonuria is related chiefly to abnormal metabolism of ____.
a. lactose
b. omega-3 fats
c. soy polysaccharides
d. a specific amino acid
e. glucose
17) Diuretics act to lower blood pressure by
a. increasing fluid loss.
b. decreasing potassium loss.
c. reducing arterial plaque formation.
d. increasing retention of calcium and potassium.
e. increasing stroke volume.
18) When a person loses fluid by sweating or bleeding, what minerals are lost in
greatest quantity?
a. Sodium and chloride
b. Bicarbonate and sulfate
c. Calcium and magnesium
d. Potassium and phosphate
e. Phosphate and potassium
19) With what vitamin is opsin usually associated in the body?
a.A
b.B1
c.C
d.D
e.K
20) The average daily cholesterol intake of U.S. women is about ____.
a. 134 mg
b. 184 mg
c. 224 mg
d. 274 mg
e. 304 mg
