Question 1

Which of the following is true about protein?

Accepted Answer

A)   It is unique in that it is the only dietary component that contains selenium.
B)   It is important primarily for increasing bone density.
C)   It is made up of combinations of approximately 20 amino acids.
D)   It is made up of combinations of amino acids and fatty acids.

Question 2

Proteins that bind to foreign proteins in the body are

Accepted Answer

A)   enzymes.
B)   antibodies.
C)   hormones.
D)   collagen.

Question 3

Kwashiorkor appears in children between the ages of 2 and 5 years. The reason is that

Accepted Answer

A)   growth needs are low.
B)   children have been weaned from breast milk early.
C)   by this time adequate exposure to other children allows them to catch it.
D)   protein intake has been high for a long enough time to cause kidney damage.

Question 4

Which of the following is not true about pepsin?

Accepted Answer

A)   Amino acid chains are the digestive products of its action.
B)   Pepsin works best in an alkaline environment.
C)   Acid activates pepsin.
D)   Pepsin acts on food in the stomach.

Question 5

All of the following are essential amino acids except

Accepted Answer

A)   alanine.
B)   lysine.
C)   methionine.
D)   threonine.

Question 6

The basic building block of a protein is called a(n)

Accepted Answer

A)   fatty acid.
B)   monosaccharide.
C)   amino acid.
D)   keto acid.

Question 7

Today the best estimate for the amount of protein required for nearly all adults is _____ grams per kilogram body weight per day.

Accepted Answer

A)   2
B)   0.6
C)   0.8
D)   1.5

Question 8

The combination of plant foods that most often is used to provide complete protein is

Accepted Answer

A)   legumes and nuts.
B)   legumes and grains.
C)   vegetables and nuts.
D)   vegetables and seeds.

Question 9

If Betty wants to eat the most nutrient-dense source of protein, she would eat

Accepted Answer

A)   chicken.
B)   beef.
C)   tuna.
D)   egg yolks.

Question 10

If a food does not contain the necessary amounts of a certain amino acid to meet a body need, that amino acid is referred to as a

Accepted Answer

A)   complementary amino acid.
B)   essential amino acid.
C)   limiting amino acid.
D)   dispensable amino acid.

Question 11

Which of the following is not true about an incomplete protein source?

Accepted Answer

A)   It lacks one or more essential amino acids.
B)   It cannot support body growth and maintenance by itself.
C)   To adequately meet protein needs from incomplete protein sources, a person would have to eat two complementary proteins.
D)   Lower quantities of this source could be eaten to get adequate quantities of essential amino acids.

Question 12

The chemical element found in all amino acids but not found in either carbohydrates or fats is

Accepted Answer

A)   carbon.
B)   nitrogen.
C)   oxygen.
D)   hydrogen.

Question 13

In the case of sickle cell anemia, the slight alterations in the DNA of red blood cells lead to

Accepted Answer

A)   defects in the membranes of these cells.
B)   changes in the structure of the protein hemoglobin.
C)   poor use of glucose for energy.
D)   inability of the cells to make protein.

Question 14

A vegetarian who eats only plant foods is a(n)

Accepted Answer

A)   lacto-ovo-vegetarian.
B)   lacto vegetarian.
C)   vegan.
D)   ovo-vegetarian.

Question 15

The chemical bond joining adjacent amino acids is called a(n)  _____________ bond.

Accepted Answer

A)   glycosidic
B)   ionic
C)   amino
D)   peptide

Question 16

The child with marasmus has all of the following conditions except

Accepted Answer

A)   skin-and-bones appearance.
B)   often less than age 2.
C)   can suffer impaired brain growth and development.
D)   edema in the abdomen and legs.

Question 17

Food proteins are used most efficiently when we

Accepted Answer

A)   are eating a very low kcalorie diet.
B)   eat large quantities of protein even though our kcalorie intake may be low.
C)   are consuming enough carbohydrates and fats to meet our kcalorie needs.
D)   are eating enough fat even though carbohydrate intake may be low.

Question 18

All of the following describe the fate of excess protein except

Accepted Answer

A)   used for energy.
B)   made into glucose.
C)   made into fat.
D)   stored in the liver.

Question 19

Donovan has been consuming large quantities of food and in violation of safe rules of athletic training is injecting testosterone. He has been seeing large temporary gains in muscle mass. He is in a state of

Accepted Answer

A)   negative protein balance.
B)   positive protein balance.
C)   energy equilibrium.
D)   excess protein balance.

Question 20

The American Institute for Cancer Research promotes "The New American Plate," which includes plant-based foods covering __________________ of the plate and meat, fish, poultry, or low-fat dairy covering __________________ of the plate.

Accepted Answer

A)   one-half; one-half
B)   three-quarters; one-quarter
C)   two-thirds (or more) ; only one-third (or less) 
D)   one-third; two-thirds

Exam 6: Proteins

Kwashiorkor appears in children between the ages of 2 and 5 years. The reason is that

Correct AnswerverifiedShow Answer

All of the following are essential amino acids except

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Today the best estimate for the amount of protein required for nearly all adults is _____ grams per kilogram body weight per day.

Correct AnswerverifiedShow Answer

Donovan has been consuming large quantities of food and in violation of safe rules of athletic training is injecting testosterone. He has been seeing large temporary gains in muscle mass. He is in a state of

Correct AnswerverifiedShow Answer

All of the following describe the fate of excess protein except

Correct AnswerverifiedShow Answer

If Betty wants to eat the most nutrient-dense source of protein, she would eat

Correct AnswerverifiedShow Answer

Which of the following is not true about an incomplete protein source?

Correct AnswerverifiedShow Answer

If a food does not contain the necessary amounts of a certain amino acid to meet a body need, that amino acid is referred to as a

Correct AnswerverifiedShow Answer

The chemical element found in all amino acids but not found in either carbohydrates or fats is

Correct AnswerverifiedShow Answer

A vegetarian who eats only plant foods is a(n)

Correct AnswerverifiedShow Answer

Proteins that bind to foreign proteins in the body are

Correct AnswerverifiedShow Answer

The chemical bond joining adjacent amino acids is called a(n) _____________ bond.

Correct AnswerverifiedShow Answer

The basic building block of a protein is called a(n)

Correct AnswerverifiedShow Answer

In the case of sickle cell anemia, the slight alterations in the DNA of red blood cells lead to

Correct AnswerverifiedShow Answer

The combination of plant foods that most often is used to provide complete protein is

Correct AnswerverifiedShow Answer

The American Institute for Cancer Research promotes "The New American Plate," which includes plant-based foods covering __________________ of the plate and meat, fish, poultry, or low-fat dairy covering __________________ of the plate.

Correct AnswerverifiedShow Answer

Which of the following is not true about pepsin?

Correct AnswerverifiedShow Answer

Food proteins are used most efficiently when we

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The child with marasmus has all of the following conditions except

Correct AnswerverifiedShow Answer

Which of the following is true about protein?

Correct AnswerverifiedShow Answer

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The American Institute for Cancer Research promotes "The New American Plate," which includes plant-based foods covering of the plate and meat, fish, poultry, or low-fat dairy covering of the plate.

Correct Answer
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