Question 1

Treating a protein with acid, heat, or agitation will cause ________, meaning that the three-dimensional structure of the protein has been altered.

Accepted Answer

A)   deamination
B)   translation
C)   transcription
D)   denaturationE) A) and B)
F) A) and C)

Question 2

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)   protein toxicity.E) All of the above
F) A) and B)

Question 3

The Recommended Dietary Allowance for protein for nearly all adults is ________ g/kg/day.

Accepted Answer

A)   0.5
B)   0.8
C)   1.6
D)   2.0E) A) and B)
F) A) and C)

Question 4

What is meant by the amino acid sequence of a protein?

Accepted Answer

A)   Number of side chains in the protein
B)   Folding arrangement of the peptide chain
C)   Order of appearance of amino acids in the peptide chain
D)   Sequence of events in protein synthesisE) A) and D)
F) C) and D)

Question 5

Recent research shows that older adults need ________ the current RDA for protein for adults.

Accepted Answer

A)   more than
B)   less thanC) A) and B)
D) undefined

Question 6

Which of the following is a true statement about the digestion and absorption of proteins?

Accepted Answer

A)   Polypeptide chains are digested to yield individual amino acids, which can be absorbed into the blood.
B)   Polypeptide chains are digested to yield dipeptides, which can be absorbed into the blood.
C)   Many whole proteins are absorbed by phagocytosis and enter the blood.
D)   The products of protein digestion are first absorbed into the lymphatic system, which empties into the blood.E) All of the above
F) A) and D)

Question 7

When comparing plant sources of protein to animal sources, we could say

Accepted Answer

A)   plant sources tend to be higher in saturated fat.
B)   plant sources tend to be higher in cholesterol.
C)   animal sources tend to be higher in phytochemicals.
D)   plant sources tend to be higher in dietary fiber.E) None of the above
F) B) and C)

Question 8

Dietary patterns that are high in ________ tend to increase the risk of cardiovascular disease and cancer.

Accepted Answer

A)   legumes
B)   fish
C)   chicken and turkey
D)   red meatE) A) and B)
F) None of the above

Question 9

Which of the following plant proteins is a complete source of protein?

Accepted Answer

A)   Quinoa
B)   Kidney beans
C)   Sunflower seeds
D)   OatsE) C) and D)
F) All of the above

Question 10

Jackie is an alcoholic. Her liver has been damaged to such a degree that it cannot produce the appropriate blood proteins for fluid balance. She develops a condition called edema, which is

Accepted Answer

A)   extreme thirst.
B)   the buildup of fluids in extracellular spaces.
C)   loss of muscle mass.
D)   cardiovascular disease.E) B) and D)
F) A) and B)

Question 11

Which of the following combinations of plant foods will provide ample amounts of all nine essential amino acids?

Accepted Answer

A)   Garbanzo beans and kale
B)   Black beans and rice
C)   Wheat bread with sesame seeds
D)   Three bean saladE) None of the above
F) A) and C)

Question 12

Leucine, isoleucine, and valine are

Accepted Answer

A)   branched-chain amino acids.
B)   conditionally essential amino acids.
C)   limiting amino acids.
D)   complementary amino acids.E) None of the above
F) All of the above

Question 13

Most plant proteins are ________ proteins, which means that they are low in one or more of the essential amino acids.

Accepted Answer

A)   nonessential
B)   complementary
C)   incomplete
D)   branched-chainE) B) and C)
F) None of the above

Question 14

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(n)

Accepted Answer

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

Question 15

A protein that acts as a hormone is

Accepted Answer

A)   insulin.
B)   trypsin.
C)   pepsin.
D)   hemoglobin.E) All of the above
F) A) and B)

Question 16

Because the ________ diet is recognized as being low in meat, rich in fresh fruit and vegetables, low in added sugar, and low in saturated fat, it has been recommended as a sustainable alternative to the MyPlate dietary pattern.

Accepted Answer

A)   Canadian
B)   Mediterranean
C)   Asian
D)   EuropeanE) A) and C)
F) A) and B)

Question 17

Which of the following is a function of protein?

Accepted Answer

A)   Absorption of vitamins A, D, E, and K
B)   Medium for chemical reactions in the cell
C)   The body's preferred source of energy
D)   Synthesis of enzymes and hormonesE) A) and D)
F) A) and B)

Question 18

Which of the following is true about protein intake of people in the United States?

Accepted Answer

A)   Most do not consume enough protein.
B)   Most consume approximately the amount of protein needed to balance losses.
C)   Athletes generally do not get enough protein without supplements.
D)   Most consume more protein than is needed.E) A) and D)
F) A) and C)

Question 19

A child with marasmus

Accepted Answer

A)   has a bloated abdomen due to edema.
B)   is hyperactive and irritable.
C)   is very susceptible to infections.
D)   has bowed legs and a deformed rib cage.E) A) and B)
F) A) and C)

Question 20

Which of the following conditions would describe a child with kwashiorkor?

Accepted Answer

A)   Bowed legs
B)   Visible eczema and cold sores
C)   Edema in the abdomen and legs
D)   Skin-and-bones appearanceE) All of the above
F) A) and B)

Exam 6: Proteins

Treating a protein with acid, heat, or agitation will cause ________, meaning that the three-dimensional structure of the protein has been altered.

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(n)

Correct AnswerverifiedShow Answer

Which of the following is a function of protein?

Correct AnswerverifiedShow Answer

Which of the following plant proteins is a complete source of protein?

Correct AnswerverifiedShow Answer

Dietary patterns that are high in ________ tend to increase the risk of cardiovascular disease and cancer.

Correct AnswerverifiedShow Answer

Recent research shows that older adults need ________ the current RDA for protein for adults.

Correct AnswerverifiedShow Answer

When comparing plant sources of protein to animal sources, we could say

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

Most plant proteins are ________ proteins, which means that they are low in one or more of the essential amino acids.

Correct AnswerverifiedShow Answer

What is meant by the amino acid sequence of a protein?

Correct AnswerverifiedShow Answer

Which of the following conditions would describe a child with kwashiorkor?

Correct AnswerverifiedShow Answer

Jackie is an alcoholic. Her liver has been damaged to such a degree that it cannot produce the appropriate blood proteins for fluid balance. She develops a condition called edema, which is

Correct AnswerverifiedShow Answer

Because the ________ diet is recognized as being low in meat, rich in fresh fruit and vegetables, low in added sugar, and low in saturated fat, it has been recommended as a sustainable alternative to the MyPlate dietary pattern.

Correct AnswerverifiedShow Answer

Which of the following is true about protein intake of people in the United States?

Correct AnswerverifiedShow Answer

Leucine, isoleucine, and valine are

Correct AnswerverifiedShow Answer

Which of the following combinations of plant foods will provide ample amounts of all nine essential amino acids?

Correct AnswerverifiedShow Answer

The Recommended Dietary Allowance for protein for nearly all adults is ________ g/kg/day.

Correct AnswerverifiedShow Answer

A child with marasmus

Correct AnswerverifiedShow Answer

A protein that acts as a hormone is

Correct AnswerverifiedShow Answer

Which of the following is a true statement about the digestion and absorption of proteins?

Correct AnswerverifiedShow Answer

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