Question 1

Who among the following will have the highest protein DRI per unit of body weight?

Accepted Answer

A)  A 28-year-old woman
B)  A 6-year-old child
C)  A 40-year-old man
D)  A 34-year-old woman
E)  A 28-year-old manF) A) and B)
G) C) and D)

Question 2

Negative nitrogen balance is seen in:

Accepted Answer

A)  growing children
B)  lactating women
C)  pregnant women
D)  surgery patients
E)  casual exercisersF) C) and D)
G) A) and B)

Question 3

Which of the following proteins is necessary to regulate blood glucose concentration?

Accepted Answer

A)  Insulin
B)  Collagen
C)  Hemoglobin
D)  Keratin
E)  SerotoninF) A) and B)
G) A) and C)

Question 4

In sickle-cell disease, which of the following amino acids replaces glutamic acid in hemoglobin?

Accepted Answer

A)  Glycine
B)  Tyrosine
C)  Serine
D)  Valine
E)  LysineF) A) and B)
G) C) and D)

Question 5

Your mother is considering changing her diet to include only non-meat proteins to reduce her risk of developing heart disease or cancer. What evidence is available to support her decision?

Accepted Answer

A)  Vegetarian diets contain greater amounts of heart-protective omega-3 fatty acids.
B)  Plant-based diets are usually lower in saturated fat and higher in fiber, reducing the risk of heart disease.
C)  Substituting soy for meat proteins has resulted in a decrease in heart disease risk.
D)  Lung cancer never develops in people eating plant-based diets.
E)  Intakes of cheese and shortening decrease when meat consumption decreases.F) B) and C)
G) B) and D)

Question 6

An overemphasis on protein-rich foods can lead to:

Accepted Answer

A)  a low intake of iron
B)  a low intake of vitamin B  12 
C)  an excessive intake of vitamin C
D)  a low intake of all vitamins
E)  a low intake of folateF) C) and D)
G) All of the above

Question 7

A 23-year-old male college student, who has a sedentary lifestyle, weighs 175 pounds. What is his DRI for protein?

Accepted Answer

A)  46 grams\day
B)  64 grams\day
C)  86 grams\day
D)  140 grams\day
E)  175 grams\dayF) A) and E)
G) C) and E)

Question 8

Antibodies are large proteins present in the blood that are effective in destroying foreign particles that invade the body.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is an essential amino acid?

Accepted Answer

A)  Proline
B)  Tyrosine
C)  Aspartic acid
D)  Lysine
E)  AlanineF) A) and C)
G) A) and E)

Question 10

Identify the function of protein buffers in the blood.

Accepted Answer

A)  They provide immunity against foreign substances that invade the body.
B)  They prevent the entry of sodium inside the cells and the exit of potassium from the cells.
C)  They prevent excessive fluid leakage from cells.
D)  They pick up and release excess hydrogens from the blood to balance its pH.
E)  They ensure that the blood glucose level is maintained within a specific range.F) B) and D)
G) D) and E)

Question 11

Proteins use the process of active transport to move substances by:

Accepted Answer

A)  opening passages in the membrane and escorting substances into and out of the cell
B)  attaching themselves to minerals to carry them throughout the bloodstream
C)  decreasing the water content in cells to get rid of excess acid or base levels
D)  sending antibodies to cells to carry excess proteins out to where they are needed
E)  accumulating hydrogen ions within the cell to attract the substancesF) B) and D)
G) A) and B)

Question 12

Which of the following is true of sickle-cell disease?

Accepted Answer

A)  It is a fatal disorder that affects neurons and causes seizures.
B)  It is a disease caused by the deficiency of iron.
C)  It is a disease in which red blood cells are abnormally (crescent) shaped.
D)  It is an infectious disease caused by the intake of the botulinum toxin.
E)  It is a defect characterized by the improper closure of the spinal cord.F) None of the above
G) B) and C)

Question 13

Nutrient-dense vegetarian diets require much less land, water, fuel, and other resources to produce when compared to diets high in meats, cheeses, and highly processed foods.

Accepted Answer

A) True 
 B)False

Question 14

What are conditionally essential amino acids?

Accepted Answer

A)  Those amino acids that are synthesized by the body in excess quantities
B)  Those amino acids that cannot be synthesized by the body at all and should be taken in through the diet to meet the required amounts
C)  Those amino acids that are normally nonessential but must be supplied through the diet when the need for it exceeds the body's ability to produce it
D)  Those amino acids that are easily synthesized by the body and are not required to be consumed through the diet
E)  Those amino acids that are required by the body in minute quantitiesF) C) and E)
G) A) and E)

Question 15

Which of the following cooking methods would you use to increase the digestibility of protein?

Accepted Answer

A)  Grilling
B)  Smoking
C)  Frying
D)  Stewing
E)  BakingF) B) and E)
G) A) and C)

Question 16

Which of the following is true of a catalyst?

Accepted Answer

A)  It is a group of proteins produced by the immune system in response to an invasion by foreign substances.
B)  It is a chemical messenger secreted by body organs in response to conditions that require regulation.
C)  It is a substance that hastens the rate of a chemical reaction without permanently altering itself.
D)  It is a protein that helps transport different substances around the body.
E)  It is a compound that helps maintain the acidity or alkalinity of a solution.F) A) and B)
G) C) and D)

Question 17

What is the DRI for protein for a 40-year-old man who is 6′4″ tall and weighs 180 pounds?

Accepted Answer

A)  34 grams
B)  49 grams
C)  65 grams
D)  144 grams
E)  180 gramsF) C) and D)
G) C) and E)

Question 18

Proteins are the building blocks of amino acids.

Accepted Answer

A) True 
 B)False

Question 19

Legumes are a good source of protein, many B vitamins, iron, and other minerals, making them exceptionally nutritious foods.

Accepted Answer

A) True 
 B)False

Exam 6: The Proteins and Amino Acids

Antibodies are large proteins present in the blood that are effective in destroying foreign particles that invade the body.

Correct Answer
verified

Which of the following proteins is necessary to regulate blood glucose concentration?

Correct Answer
verified

Identify the function of protein buffers in the blood.

Correct Answer
verified

Proteins are the building blocks of amino acids.

Correct Answer
verified

Negative nitrogen balance is seen in:

Correct Answer
verified

Who among the following will have the highest protein DRI per unit of body weight?

Correct Answer
verified

What is the DRI for protein for a 40-year-old man who is 6′4″ tall and weighs 180 pounds?

Correct Answer
verified

Which of the following is true of sickle-cell disease?

Correct Answer
verified

In sickle-cell disease, which of the following amino acids replaces glutamic acid in hemoglobin?

Correct Answer
verified

Which of the following is true of a catalyst?

Correct Answer
verified

Legumes are a good source of protein, many B vitamins, iron, and other minerals, making them exceptionally nutritious foods.

Correct Answer
verified

An overemphasis on protein-rich foods can lead to:

Correct Answer
verified

What are conditionally essential amino acids?

Correct Answer
verified

Which of the following is an essential amino acid?

Correct Answer
verified

Nutrient-dense vegetarian diets require much less land, water, fuel, and other resources to produce when compared to diets high in meats, cheeses, and highly processed foods.

Correct Answer
verified

Which of the following cooking methods would you use to increase the digestibility of protein?

Correct Answer
verified

Your mother is considering changing her diet to include only non-meat proteins to reduce her risk of developing heart disease or cancer. What evidence is available to support her decision?

Correct Answer
verified

Proteins use the process of active transport to move substances by:

Correct Answer
verified

A 23-year-old male college student, who has a sedentary lifestyle, weighs 175 pounds. What is his DRI for protein?

Correct Answer
verified

Exam 6: The Proteins and Amino Acids

Antibodies are large proteins present in the blood that are effective in destroying foreign particles that invade the body.

Correct AnswerverifiedShow Answer

Which of the following proteins is necessary to regulate blood glucose concentration?

Correct AnswerverifiedShow Answer

Identify the function of protein buffers in the blood.

Correct AnswerverifiedShow Answer

Proteins are the building blocks of amino acids.

Correct AnswerverifiedShow Answer

Negative nitrogen balance is seen in:

Correct AnswerverifiedShow Answer

Who among the following will have the highest protein DRI per unit of body weight?

Correct AnswerverifiedShow Answer

What is the DRI for protein for a 40-year-old man who is 6′4″ tall and weighs 180 pounds?

Correct AnswerverifiedShow Answer

Which of the following is true of sickle-cell disease?

Correct AnswerverifiedShow Answer

In sickle-cell disease, which of the following amino acids replaces glutamic acid in hemoglobin?

Correct AnswerverifiedShow Answer

Which of the following is true of a catalyst?

Correct AnswerverifiedShow Answer

Legumes are a good source of protein, many B vitamins, iron, and other minerals, making them exceptionally nutritious foods.

Correct AnswerverifiedShow Answer

An overemphasis on protein-rich foods can lead to:

Correct AnswerverifiedShow Answer

What are conditionally essential amino acids?

Correct AnswerverifiedShow Answer

Which of the following is an essential amino acid?

Correct AnswerverifiedShow Answer

Nutrient-dense vegetarian diets require much less land, water, fuel, and other resources to produce when compared to diets high in meats, cheeses, and highly processed foods.

Correct AnswerverifiedShow Answer

Which of the following cooking methods would you use to increase the digestibility of protein?

Correct AnswerverifiedShow Answer

Your mother is considering changing her diet to include only non-meat proteins to reduce her risk of developing heart disease or cancer. What evidence is available to support her decision?

Correct AnswerverifiedShow Answer

Proteins use the process of active transport to move substances by:

Correct AnswerverifiedShow Answer

A 23-year-old male college student, who has a sedentary lifestyle, weighs 175 pounds. What is his DRI for protein?

Correct AnswerverifiedShow Answer

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