Question 1

To prevent toxic buildup of ammonia in the body with high protein intake:

Accepted Answer

A)  the kidneys convert ammonia to the less toxic uric acid. 
B)  the kidneys convert ammonia to the less toxic urea. 
C)  the muscles convert ammonia to urea for use as fuel. 
D)  the liver stores the ammonia. 
E)  the liver converts ammonia to the less toxic urea. 
A)  the kidneys convert ammonia to the less toxic uric acid. 
B)  the kidneys convert ammonia to the less toxic urea. 
C)  the muscles convert ammonia to urea for use as fuel. 
D)  the liver stores the ammonia. 
E)  the liver converts ammonia to the less toxic urea.

Question 2

Which substance is NOT involved in protein digestion?

Accepted Answer

A)  pepsin 
B)  hydrochloric acid 
C)  salivary proteases 
D)  brush border enzymes 
E)  pancreatic proteases 
A)  pepsin 
B)  hydrochloric acid 
C)  salivary proteases 
D)  brush border enzymes 
E)  pancreatic proteases

Question 3

Margaret is 55 years old, weighs 55 kg, and is worried about becoming frail, like her elderly mother, Martha. She is not active, but she consumes a high-protein diet of 1.5 g per kg of body weight per day from animal protein sources. What suggestions would you make for Martha's protein intake? What arguments would you use to convince Margaret that implementation of your suggestions will improve her health?

Accepted Answer

For Martha's protein intake, I would sug

Question 4

Which individual is most likely to be in positive nitrogen balance?

Accepted Answer

A)  a patient with burns 
B)  an inactive older adult 
C)  a rapidly growing infant 
D)  a healthy-weight, moderately active adult 
E)  an astronaut on a space mission 
A)  a patient with burns 
B)  an inactive older adult 
C)  a rapidly growing infant 
D)  a healthy-weight, moderately active adult 
E)  an astronaut on a space mission

Question 5

The interactions between _____ causes proteins to fold into a particular shape.

Accepted Answer

A)  proteases 
B)  amino acid side chains 
C)  pepsin 
D)  antibodies 
E)  ribosomes 
A)  proteases 
B)  amino acid side chains 
C)  pepsin 
D)  antibodies 
E)  ribosomes

Question 6

Martha is 80 years old, weighs 47 kg, and is inactive. She is experiencing a loss of appetite and muscle mass but is not interested in expensive protein supplements or drinks. Determine her protein requirements and come up with a menu plan that she can easily implement to increase her protein intake.

Accepted Answer

Martha's protein requirements can be det

Question 7

Which food group provides the least protein?

Accepted Answer

A)  grain and grain products 
B)  milk and dairy products 
C)  cooked vegetables 
D)  fruits 
E)  legumes 
A)  grain and grain products 
B)  milk and dairy products 
C)  cooked vegetables 
D)  fruits 
E)  legumes

Question 8

Which of the following is true about protein consumption in athletes?

Accepted Answer

A)  Many athletes use high-protein bars and shakes to supplement their protein intake. 
B)  There is a consensus among experts that athletes need more protein than they are currently consuming. 
C)  Evidence suggests that athletes may be less efficient than nonathletes at using amino acids, contributing to a higher need for protein. 
D)  Protein intake is the single most important factor contributing to an athlete's performance. 
E)  All of these are correct. 
A)  Many athletes use high-protein bars and shakes to supplement their protein intake. 
B)  There is a consensus among experts that athletes need more protein than they are currently consuming. 
C)  Evidence suggests that athletes may be less efficient than nonathletes at using amino acids, contributing to a higher need for protein. 
D)  Protein intake is the single most important factor contributing to an athlete's performance. 
E)  All of these are correct.

Question 9

Amino acids differ based on:

Accepted Answer

A)  their peptide bonds. 
B)  their central carbon location. 
C)  their number of hydrogen groups. 
D)  their side chain. 
E)  their amino group. 
A)  their peptide bonds. 
B)  their central carbon location. 
C)  their number of hydrogen groups. 
D)  their side chain. 
E)  their amino group.

Question 10

Which is NOT true about a child with kwashiorkor?

Accepted Answer

A)  The child's protein requirements are not met. 
B)  The child's caloric needs may be met. 
C)  The child has a plump appearance because of edema. 
D)  The child is at higher risk of infections. 
E)  The child is likely to be breastfed. 
A)  The child's protein requirements are not met. 
B)  The child's caloric needs may be met. 
C)  The child has a plump appearance because of edema. 
D)  The child is at higher risk of infections. 
E)  The child is likely to be breastfed.

Question 11

Before converting protein to glucose or fat, the _____ must be removed.

Accepted Answer

A)  amino group 
B)  carbon skeleton 
C)  oxygen group 
D)  hydrogen group 
E)  None of these. 
A)  amino group 
B)  carbon skeleton 
C)  oxygen group 
D)  hydrogen group 
E)  None of these.

Question 12

How many grams of protein does a healthy 25-year-old female weighing 65 kg need each day? Show your calculation.

Accepted Answer

The current Recommended Dietar

Question 13

If a weight lifter consumes protein drinks beyond her protein and caloric needs, what will happen to the extra protein?

Accepted Answer

A)  Extra protein will increase lean body mass. 
B)  Extra protein will be stored as amino acids in the muscle. 
C)  Extra protein will be cause kidney damage. 
D)  Extra protein will be transformed into fat and stored. 
E)  Extra protein will cause edema and fatty liver. 
A)  Extra protein will increase lean body mass. 
B)  Extra protein will be stored as amino acids in the muscle. 
C)  Extra protein will be cause kidney damage. 
D)  Extra protein will be transformed into fat and stored. 
E)  Extra protein will cause edema and fatty liver.

Question 14

Which condition is most likely to produce negative nitrogen balance?

Accepted Answer

A)  the third trimester of pregnancy 
B)  growth during puberty 
C)  an individual starting resistance exercise training 
D)  an older person bedridden because of a hip fracture 
E)  recovery from a burn 
A)  the third trimester of pregnancy 
B)  growth during puberty 
C)  an individual starting resistance exercise training 
D)  an older person bedridden because of a hip fracture 
E)  recovery from a burn

Question 15

How can a low-carbohydrate diet result in muscle loss?

Accepted Answer

The carbon skeleton of amino a

Question 16

Which contributes high-quality protein with the lowest amount of saturated fat?

Accepted Answer

A)  a 1-ounce slice of American cheese 
B)  a 3-ounce ground beef patty 
C)  3 ounces of turkey breast 
D)  a cup of whole milk 
E)  3 ounces of grilled salmon 
A)  a 1-ounce slice of American cheese 
B)  a 3-ounce ground beef patty 
C)  3 ounces of turkey breast 
D)  a cup of whole milk 
E)  3 ounces of grilled salmon

Question 17

Pancreatic proteases in the small intestines break polypeptides into:

Accepted Answer

A)  transport proteins. 
B)  amino acids. 
C)  proteases. 
D)  peptide fragments. 
E)  actin. 
A)  transport proteins. 
B)  amino acids. 
C)  proteases. 
D)  peptide fragments. 
E)  actin.

Question 18

Discuss potential environmental impacts of emphasizing high intakes of animal protein foods.

Accepted Answer

Emphasizing high intakes of animal prote

Question 19

Describe protein digestion in the stomach.

Accepted Answer

Hydrochloric acid produced by

Question 20

Which of the following is true about high-protein diets?

Accepted Answer

A)  High-protein diets tend to promote long-term weight loss better than diets with less protein. 
B)  High-protein diets reduce hunger and increase satiety between meals. 
C)  High-protein diets reduce cardiovascular disease risk more than other diets. 
D)  High-protein diets are characterized by protein intakes comprising 10% to 35% of total calories. 
E)  All of these are correct. 
A)  High-protein diets tend to promote long-term weight loss better than diets with less protein. 
B)  High-protein diets reduce hunger and increase satiety between meals. 
C)  High-protein diets reduce cardiovascular disease risk more than other diets. 
D)  High-protein diets are characterized by protein intakes comprising 10% to 35% of total calories. 
E)  All of these are correct.

To prevent toxic buildup of ammonia in the body with high protein intake:

Which substance is NOT involved in protein digestion?

Which individual is most likely to be in positive nitrogen balance?

The interactions between _____ causes proteins to fold into a particular shape.

Which food group provides the least protein?

Which of the following is true about protein consumption in athletes?

Amino acids differ based on:

Which is NOT true about a child with kwashiorkor?

Before converting protein to glucose or fat, the _____ must be removed.

How many grams of protein does a healthy 25-year-old female weighing 65 kg need each day? Show your calculation.

If a weight lifter consumes protein drinks beyond her protein and caloric needs, what will happen to the extra protein?

Which condition is most likely to produce negative nitrogen balance?

How can a low-carbohydrate diet result in muscle loss?

Which contributes high-quality protein with the lowest amount of saturated fat?

Pancreatic proteases in the small intestines break polypeptides into:

Discuss potential environmental impacts of emphasizing high intakes of animal protein foods.

Describe protein digestion in the stomach.

Which of the following is true about high-protein diets?

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Exam 6: Protein

To prevent toxic buildup of ammonia in the body with high protein intake:

Which substance is NOT involved in protein digestion?

Which individual is most likely to be in positive nitrogen balance?

The interactions between _____ causes proteins to fold into a particular shape.

Which food group provides the least protein?

Which of the following is true about protein consumption in athletes?

Amino acids differ based on:

Which is NOT true about a child with kwashiorkor?

Before converting protein to glucose or fat, the _____ must be removed.

How many grams of protein does a healthy 25-year-old female weighing 65 kg need each day? Show your calculation.

If a weight lifter consumes protein drinks beyond her protein and caloric needs, what will happen to the extra protein?

Which condition is most likely to produce negative nitrogen balance?

How can a low-carbohydrate diet result in muscle loss?

Which contributes high-quality protein with the lowest amount of saturated fat?

Pancreatic proteases in the small intestines break polypeptides into:

Discuss potential environmental impacts of emphasizing high intakes of animal protein foods.

Describe protein digestion in the stomach.

Which of the following is true about high-protein diets?

The Science and Scope of Nutrition Eating for a Lifetime: a New Field in Nutrition Research Is Revealing Surprising Details About How Food Affects Our Genes

Healthy Diets

Digestive System and Digestive Disorders

Carbohydrates,

The Lipids

Fat-Soluble Vitamins

Water-Soluble Vitamins

Major Minerals and Water

Trace Minerals

Energy Balance and Obesitythe Sitting Disease: Understand the Causes and Consequences of Obesity

Nutrition and Fitness

Nutrition Through the College Years

Global Nutrition: Food Security and Sustainability

Spotlight H: Food Safety

Filters