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nutrition ch 7 exam questions with complete
solution
1. Most Americans consume dietary protein
compared to the RDA.: ex-cessive amounts of
2. The major symptoms of kwashiorkor in children are: edema and growth failure.
3. A vegan diet may be low in: All of these choices are correct.
4. A high-protein diet is discouraged for patients with: kidney disease.
5. Which bodily function is not associated with protein?: sparing glucose for energy use.
6. A vegan will eat: only foods from plant sources.
7. Cooking an egg destroys its physiological property by: denaturation.
8. Worldwide, approximately of protein
comes from animal sources.: - 35%
9. The genetic disorder sickle-cell anemia produces a profound change in
structure.: hemoglobin
10. The lack of an immune response to foreign compounds entering the body is
called: anergy.
11. Nitrogen makes up approximately of
2 / the weight of an amino acid.: 16%
12. When over 10 amino acids are chemically linked by peptide bonds, the
resulting product is known as: a polypeptide.
13. To meet basic protein needs, an athlete needs to: consume a variety of foods to meet
energy needs.
14. Excess protein intake can result in: loss of calcium.
15. Protein quality is determined by all of the following EXCEPT: the food's cost.
16. D
NA-coded instructions for protein synthesis consist of a sequence of nucleotides per unit.: 3.
17. Good sources of high-quality (complete) protein include all of the following
except: whole wheat.
18. An example of two incomplete protein foods eaten together to produce a
complete protein meal are: red beans and rice.
19. Which of the following enzymes aids in digesting polypeptides into shorter
peptides and amino acids?: trypsin.
20. The RDA for protein for most healthy adults is: 0.8 g/kg of body weight.
21. Amino acids are required for the synthesis of: All of the choices are accurate.
22. The functions of protein include: All of these are functions of protein.
4 / from carbohy-drate and fat.: nitrogen
35. The basic building blocks of protein are: amino acids.
36. Signs of protein deficiency may include: All of these choices are accurate.
37. A growing child who is consuming adequate protein but only 50% of his or
her energy needs, will likely be in: negative nitrogen balance.
38. When plant proteins are compared to animal proteins, they: are usually
deficient in one or more essential amino acids
39. Which of the following amino acids is classified as a "conditionally
essential" amino acid?: tyrosine
40. Which of the following foods provides all of the essential amino acids?: milk
41. Edema in the lower extremities may appear when there is a severe lack of
dietary protein because: blood protein levels drop and fluid shifts into interstitial spaces.
42. Proteins help regulate blood pH by: accepting and releasing hydrogen ions.
43. Anergy is: the lack of an immune response to foreign substances entering the body.
44. Foods containing all essential amino acids in the proportion needed by the
body are designated as: complete foods.
45. The sequential order of the amino acids in the polypeptide chain is called
the: primary structure.
46. The nucleotide units that represent a specific amino acid in protein synthe-
sis are called: codons.
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47. What would be the recommended amount of protein for a 121-pound
female?: 44 g/day
48. When food proteins
reach the stomach, HCl the protein.: denatures
49. Which of the following conditions would result in negative nitrogen bal-
ance?: kwashiorkor
50. Which of the following is not a means of determining the protein quality of
a food?: complementary score
51. A high-quality protein used as a standard for measuring the quality of
other proteins is: egg white.
52. The side chain, or R portion, of an amino acid: determines the name of the amino acid.
53. Marasmus is characterized by: extreme weight loss and fat loss.
54. A diet that is deficient in carbohydrate will ultimately force the liver and,
to a lesser extent, the kidneys to: produce glucose from amino acids.
55. The biological value of a food protein is a measure of: how closely it meets amino acid
needs.
56. The recommended amount of protein as a percentage of total energy
intake is: 10% to 35%.
