Practice Quizzes

Chapter 7: Proteins and Amino Acids: Function Follows Form

1: There are 20 different amino acids your body can choose from to build proteins. ____ are nonessential and ______ are essential.
11, 9
5, 15
13, 7
7, 13
2: What condition would bring about a negative nitrogen balance?
adolescence
someone recovering from an illness
pregnancy
extreme weight-loss diet
3: Which person would have the lowest protein needs when expressed as grams per kilogram of weight?
an infant
a 17-year-old female
a 17-year-old male
a 55-year-old woman
4: What is the fewest number of amino acids in a oligopeptide?
4
10
20
100
5: If the diet does not supply enough blood proteins, edema will occur because
the immune response is weakened.
there is an inadequate amount of blood proteins available to attract fluid from tissue into the blood
blood will become too alkaline.
absence of blood proteins does not cause edema.
6: Which of the following is a motor protein?
albumin
collagen
keratin
none of the above
7: An example of a good complementary protein food combination is
oatmeal and sunflower seeds.
an English muffin and granola.
a whole wheat bagel and peanut butter.
tofu and peanut butter.
8: A pesco-vegetarian will eat
dairy products, eggs, and fish.
dairy products, eggs, and chicken.
eggs
no animal foods at all.
9: Lacto-ovo vegetarians could have a hard time getting adequate amounts of _____ in their diets.
fat
cholesterol
calcium
iron
10: The protein digestibility-corrected amino acid score accounts for
digestibility of the protein.
limiting amino acids.
amino acids in food.
A and C
11: Marasmus develops more slowly than kwashiorkor and results from chronic PEM.
TRUE
FALSE
12: Just as glucose is the basic building block of carbohydrates, _____ are the basic building blocks of protein.
lipids
amino acids
enzymes
collagen
13: _____ is the most abundant fibrous protein in the body.
collagen
keratin
motor proteins
amino acids
14: Generally, high-protein plant foods also contribute complex carbohydrates to the body.
TRUE
FALSE
15: Our bodies constantly assemble, break down, and use proteins.
TRUE
FALSE
16: In the United States, PEM occurs in newborns more often than any other population group.
TRUE
FALSE
17: Enzymes are proteins that speed up chemical reactions and are used up themselves in the process.
TRUE
FALSE
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