Question 1

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. 
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 2

High protein diets may be harmful for

Accepted Answer

A)  those with kidney disease. 
B)  athletes. 
C)  the elderly. 
D)  body builders. 
A)  those with kidney disease. 
B)  athletes. 
C)  the elderly. 
D)  body builders.

Question 3

Maggie has anorexia nervosa and regularly starves herself. She is likely to be in a state of

Accepted Answer

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

Question 4

Which of the following is not true about body proteins?

Accepted Answer

A)  They are in a state of breakdown, rebuilding, and repair. 
B)  They are static and change little after achievement of adult status. 
C)  Those in the bone marrow and intestine undergo the most change, in terms of breakdown and synthesis. 
D)  Their breakdown products, especially amino acids, can be recycled. 
A)  They are in a state of breakdown, rebuilding, and repair. 
B)  They are static and change little after achievement of adult status. 
C)  Those in the bone marrow and intestine undergo the most change, in terms of breakdown and synthesis. 
D)  Their breakdown products, especially amino acids, can be recycled.

Question 5

Amino acids are transported via the _______________ vein to the liver.

Accepted Answer

A)  hepatic 
B)  renal 
C)  intestinal 
D)  portal 
A)  hepatic 
B)  renal 
C)  intestinal 
D)  portal

Question 6

A vegetarian who excludes animal flesh but consumes such products as milk and eggs is referred to as a(n)

Accepted Answer

A)  lactovegetarian. 
B)  lactoovovegetarian. 
C)  vegan. 
D)  ovovegetarian. 
A)  lactovegetarian. 
B)  lactoovovegetarian. 
C)  vegan. 
D)  ovovegetarian.

Question 7

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 to starchy gruels. 
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. 
A)  growth needs are low. 
B)  children have been weaned from breast milk to starchy gruels. 
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 8

The nitrogen from amino acid breakdown is

Accepted Answer

A)  stored in the liver. 
B)  oxidized to carbohydrate. 
C)  converted to urea. 
D)  converted to fat. 
A)  stored in the liver. 
B)  oxidized to carbohydrate. 
C)  converted to urea. 
D)  converted to fat.

Question 9

The edema in children with kwashiorkor is the result of fluid leaking into

Accepted Answer

A)  body tissues from the bloodstream because of decreased blood protein levels. 
B)  body tissues from the bloodstream because of decreased energy levels. 
C)  the bloodstream from body tissues because of decreased cellular proteins. 
D)  the bloodstream from body tissues because of decreased energy. 
A)  body tissues from the bloodstream because of decreased blood protein levels. 
B)  body tissues from the bloodstream because of decreased energy levels. 
C)  the bloodstream from body tissues because of decreased cellular proteins. 
D)  the bloodstream from body tissues because of decreased energy.

Question 10

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

Accepted Answer

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

Question 11

All of the following are true of the alteration of the three-dimensional structure of a protein except

Accepted Answer

A)  it tends to be rigid and retains its structure. 
B)  it can be caused by heat, acid, or base. 
C)  it is called denaturation. 
D)  it usually destroys its physiological function. 
A)  it tends to be rigid and retains its structure. 
B)  it can be caused by heat, acid, or base. 
C)  it is called denaturation. 
D)  it usually destroys its physiological function.

Question 12

The best estimate for the amount of protein required for nearly all adults is _______________ g/kg/day.

Accepted Answer

A)  0.5 
B)  0.8 
C)  1.6 
D)  2.0 
A)  0.5 
B)  0.8 
C)  1.6 
D)  2.0

Question 13

Insulin is one example of a protein that acts as ________________.

Accepted Answer

A)  an antioxidant 
B)  an enzyme 
C)  a hormone 
D)  an antibody 
A)  an antioxidant 
B)  an enzyme 
C)  a hormone 
D)  an antibody

Question 14

All of the following are true of high-quality protein except

Accepted Answer

A)  it contains all essential amino acids. 
B)  it provides 7 kcal/g of energy. 
C)  it can support body maintenance. 
D)  it can support body growth. 
A)  it contains all essential amino acids. 
B)  it provides 7 kcal/g of energy. 
C)  it can support body maintenance. 
D)  it can support body growth.

Question 15

Proteins that bind to foreign proteins in the body are

Accepted Answer

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

Question 16

Many legumes are deficient in the essential amino-acid ________________ , while grains are limited in _________________.
Rev: 01_20_2015_QC_CS-3591

Accepted Answer

A)  methionine; lysine 
B)  alanine; tyrosine 
C)  lysine; alanine 
D)  arginine; phenylalanine 
A)  methionine; lysine 
B)  alanine; tyrosine 
C)  lysine; alanine 
D)  arginine; phenylalanine

Question 17

Most proteins are ________________________ (joining of 10 or more amino acids), ranging from about 50 to 2000 amino acids.

Accepted Answer

A)  dipeptides 
B)  tripeptides 
C)  proteases 
D)  polypeptides 
A)  dipeptides 
B)  tripeptides 
C)  proteases 
D)  polypeptides

Question 18

Proteins regulate the acid-base balance of the blood by

Accepted Answer

A)  acting as buffers. 
B)  releasing nitrogen. 
C)  synthesizing hydrochloric acid. 
D)  binding sodium ions. 
A)  acting as buffers. 
B)  releasing nitrogen. 
C)  synthesizing hydrochloric acid. 
D)  binding sodium ions.

Question 19

The RDA for protein translates into approximately what percentage of total daily kilocalorie needs?

Accepted Answer

A)  5% 
B)  10% 
C)  15% 
D)  20% 
A)  5% 
B)  10% 
C)  15% 
D)  20%

Question 20

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. 
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.

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

High protein diets may be harmful for

Maggie has anorexia nervosa and regularly starves herself. She is likely to be in a state of

Which of the following is not true about body proteins?

Amino acids are transported via the _______________ vein to the liver.

A vegetarian who excludes animal flesh but consumes such products as milk and eggs is referred to as a(n)

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

The nitrogen from amino acid breakdown is

The edema in children with kwashiorkor is the result of fluid leaking into

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

All of the following are true of the alteration of the three-dimensional structure of a protein except

The best estimate for the amount of protein required for nearly all adults is _______________ g/kg/day.

Insulin is one example of a protein that acts as ________________.

All of the following are true of high-quality protein except

Proteins that bind to foreign proteins in the body are

Many legumes are deficient in the essential amino-acid , while grains are limited in _. Rev: 01_20_2015_QC_CS-3591

Most proteins are ________________________ (joining of 10 or more amino acids), ranging from about 50 to 2000 amino acids.

Proteins regulate the acid-base balance of the blood by

The RDA for protein translates into approximately what percentage of total daily kilocalorie needs?

Which of the following is not true about pepsin?

Nutrition, Food Choices, and Health

Guidelines for Designing a Healthy Diet

The Human Body: a Nutrition Perspective

Carbohydrates

Lipids

Energy Balance and Weight Control

Vitamins

Water and Minerals

Nutrition: Fitness and Sports

Eating Disorders

Undernutrition Throughout the World

Safety of Our Food Supply

Nutrition During Pregnancy and Breastfeeding

Nutrition From Infancy Through Adolescence

Nutrition During Adulthood

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Exam 6: Proteins

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

High protein diets may be harmful for

Maggie has anorexia nervosa and regularly starves herself. She is likely to be in a state of

Which of the following is not true about body proteins?

Amino acids are transported via the _______________ vein to the liver.

A vegetarian who excludes animal flesh but consumes such products as milk and eggs is referred to as a(n)

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

The nitrogen from amino acid breakdown is

The edema in children with kwashiorkor is the result of fluid leaking into

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

All of the following are true of the alteration of the three-dimensional structure of a protein except

The best estimate for the amount of protein required for nearly all adults is _______________ g/kg/day.

Insulin is one example of a protein that acts as ________________.

All of the following are true of high-quality protein except

Proteins that bind to foreign proteins in the body are

Many legumes are deficient in the essential amino-acid ________________ , while grains are limited in _________________. Rev: 01_20_2015_QC_CS-3591

Most proteins are ________________________ (joining of 10 or more amino acids), ranging from about 50 to 2000 amino acids.

Proteins regulate the acid-base balance of the blood by

The RDA for protein translates into approximately what percentage of total daily kilocalorie needs?

Which of the following is not true about pepsin?

Nutrition, Food Choices, and Health

Guidelines for Designing a Healthy Diet

The Human Body: a Nutrition Perspective

Carbohydrates

Lipids

Energy Balance and Weight Control

Vitamins

Water and Minerals

Nutrition: Fitness and Sports

Eating Disorders

Undernutrition Throughout the World

Safety of Our Food Supply

Nutrition During Pregnancy and Breastfeeding

Nutrition From Infancy Through Adolescence

Nutrition During Adulthood

Filters

Many legumes are deficient in the essential amino-acid , while grains are limited in _. Rev: 01_20_2015_QC_CS-3591