Question 1

The word kwashiorkor literally means "the disease that the first child gets when a second child is born". Describe the circumstances that lead to the first born child developing kwashiorkor.

Accepted Answer

Kwashiorkor is a form of severe acute ma...

Question 2

High-protein diets do not increase water loss.

Accepted Answer

A) True 
 B)False

Question 3

Most Americans consume more than enough grams of protein daily.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following scenarios is a possibility if an amino acid supplement overwhelms the amino acid transport system?

Accepted Answer

A)   The amino acids from the supplement will use an alternate transport system.
B)   The amino acids from the supplement will be eliminated from the body.
C)   The amino acids from the supplement will compete with each other, increasing absorption of other amino acids
D)   The amino acids from the supplement will compete with each other, slowing absorption of other amino acids.E) A) and B)
F) A) and C)

Question 5

Because our bodies do not store protein, functional body proteins, such as enzymes and muscle proteins, must be broken down to yield amino acids.

Accepted Answer

A) True 
 B)False

Question 6

Foods are denatured by all of the following means EXCEPT by

Accepted Answer

A)   chilling.
B)   heat.
C)   mechanical agitation.
D)   the addition of acid.E) All of the above
F) B) and C)

Question 7

The effective chemical digestion of protein in the stomach requires a/an ____ environment?

Accepted Answer

A)   acidic
B)   alkaline
C)   basic
D)   neutralE) C) and D)
F) B) and D)

Question 8

As validated by evidence-based research, the major health concern with high-protein diets is

Accepted Answer

A)   dehydration.
B)   kidney stone formation.
C)   urinary calcium excretion.
D)   a high intake of saturated fat and cholesterol.E) A) and B)
F) None of the above

Question 9

The amino group is removed by the process of transamination and converted into the waste product urea.

Accepted Answer

A) True 
 B)False

Question 10

Animal foods provide a more concentrated source of protein in the diet as compared to plant foods.

Accepted Answer

A) True 
 B)False

Question 11

The role of hydrochloric acid in protein digestion is to

Accepted Answer

A)   break down polypeptide chains.
B)   denature the protein.
C)   slow peristalsis.
D)   stimulate production of digestive enzyme in pancreas.E) B) and C)
F) All of the above

Question 12

Kendra is aware that amino acids and protein are important in making muscle, but she would like to know other functions that they have in the body. Explain to Kendra other functions of protein.

Accepted Answer

Certainly! Kendra, proteins and amino acids play a multitude of roles in the body beyond muscle building. Here are some of the key functions they perform:

1. **Enzymatic Activity**: Proteins act as enzymes, which are catalysts that speed up and regulate virtually all chemical reactions in the body. Without enzymes, metabolic processes would occur too slowly to sustain life.

2. **Hormonal Function**: Some hormones are proteins in nature, such as insulin and glucagon, which regulate blood sugar levels, or growth hormone, which plays a role in growth and metabolism.

3. **Immune Response**: Proteins are essential for the immune system. Antibodies are proteins that help identify and neutralize foreign invaders like bacteria and viruses.

4. **Transport and Storage**: Proteins transport substances around the body. Hemoglobin, a protein in red blood cells, transports oxygen from the lungs to the rest of the body and carries carbon dioxide back to the lungs for exhalation. Other proteins transport nutrients and molecules across cell membranes.

5. **Structural Support**: Some proteins provide structural support to cells and tissues. Collagen and elastin, for example, are proteins that give skin, bones, and connective tissues their strength and elasticity.

6. **Cell Signaling**: Proteins are involved in cell signaling pathways, which control various physiological processes. Receptor proteins on cell surfaces receive signals from other cells and the environment, which can trigger responses such as cell growth, division, or death.

7. **Fluid Balance**: Proteins in blood plasma, like albumin, help maintain osmotic balance, which controls the flow of water into and out of tissues and cells, keeping fluid balance within the body.

8. **pH Balance**: Proteins can act as buffers, helping to maintain the body's pH within a narrow range, which is crucial for normal bodily functions.

9. **Energy Source**: Although proteins are primarily used for other functions, they can be broken down into amino acids and used as an energy source when carbohydrates and fats are not available.

10. **Movement**: Proteins are responsible for muscle contraction and movement. Actin and myosin are two proteins that interact in muscle fibers to cause muscle contraction.

11. **Blood Clotting**: Proteins such as fibrin form the structural basis of blood clots, which are essential for stopping bleeding after an injury.

12. **Nutrient Transport**: Lipoproteins transport lipids (fats) in the blood, helping to distribute fat-soluble nutrients and cholesterol to various parts of the body.

Understanding the diverse roles of proteins and amino acids underscores their importance in a well-balanced diet and overall health. It's not just about building muscle; it's about supporting a wide array of vital physiological processes.

Question 13

A diet that includes a variety of plant proteins can easily meet most people's protein needs.

Accepted Answer

A) True 
 B)False

Question 14

The food label must indicate whether the product contains any of the most common food allergens.

Accepted Answer

A) True 
 B)False

Question 15

When the diet does not provide enough energy to meet the body's needs (e.g. consuming a very-low-calorie-weight-loss diet) body protein is used to provide energy.

Accepted Answer

A) True 
 B)False

Question 16

Epidemiological studies suggest that diets that are rich in animal protein and low in fluid contribute to the formation of kidney stones.

Accepted Answer

A) True 
 B)False

Question 17

Review where digestive processes of protein occur. Select the letter that indicates where mechanical breakdown of protein occurs.

Accepted Answer

A)   A
B)   B
C)   C
D)   DE) B) and C)
F) All of the above

Question 18

Of the following, which is the highest quality plant protein source?

Accepted Answer

A)   Black beans
B)   Rice
C)   Soy
D)   Wheat germE) None of the above
F) B) and D) C

Question 19

In general, plant proteins are used _____ efficiently as animal proteins to build proteins in the human body.

Accepted Answer

A)   less
B)   equally as
C)   moreD) None of the above
E) A) and C)

Question 20

Which of the following is the best description of nutrients provided by animal protein sources: in fiber; in saturated fat and cholesterol; in readily absorbed forms of iron, zinc, and calcium?

Accepted Answer

A)   High; high; high
B)   Low; low; low
C)   High; high; low
D)   Low; high; highE) A) and B)
F) C) and D) D

Exam 6: Proteins and Amino Acids

The word kwashiorkor literally means "the disease that the first child gets when a second child is born". Describe the circumstances that lead to the first born child developing kwashiorkor.

Correct Answer
Answered by ExamLex AI
Kwashiorkor is a form of severe acute ma...
View Answer

High-protein diets do not increase water loss.

Correct Answer
verified

Most Americans consume more than enough grams of protein daily.

Correct Answer
verified

Which of the following scenarios is a possibility if an amino acid supplement overwhelms the amino acid transport system?

Correct Answer
verified

Because our bodies do not store protein, functional body proteins, such as enzymes and muscle proteins, must be broken down to yield amino acids.

Correct Answer
verified

Foods are denatured by all of the following means EXCEPT by

Correct Answer
verified

The effective chemical digestion of protein in the stomach requires a/an ____ environment?

Correct Answer
verified

As validated by evidence-based research, the major health concern with high-protein diets is

Correct Answer
verified

The amino group is removed by the process of transamination and converted into the waste product urea.

Correct Answer
verified

Animal foods provide a more concentrated source of protein in the diet as compared to plant foods.

Correct Answer
verified

The role of hydrochloric acid in protein digestion is to

Correct Answer
verified

Kendra is aware that amino acids and protein are important in making muscle, but she would like to know other functions that they have in the body. Explain to Kendra other functions of protein.

A diet that includes a variety of plant proteins can easily meet most people's protein needs.

Correct Answer
verified

The food label must indicate whether the product contains any of the most common food allergens.

Correct Answer
verified

When the diet does not provide enough energy to meet the body's needs (e.g. consuming a very-low-calorie-weight-loss diet) body protein is used to provide energy.

Correct Answer
verified

Epidemiological studies suggest that diets that are rich in animal protein and low in fluid contribute to the formation of kidney stones.

Correct Answer
verified

Review where digestive processes of protein occur. Select the letter that indicates where mechanical breakdown of protein occurs.

Correct Answer
verified

Of the following, which is the highest quality plant protein source?

Correct Answer
verified
C

In general, plant proteins are used _____ efficiently as animal proteins to build proteins in the human body.

Correct Answer
verified

Which of the following is the best description of nutrients provided by animal protein sources: in fiber; in saturated fat and cholesterol; in readily absorbed forms of iron, zinc, and calcium?

Correct Answer
verified
D

Exam 6: Proteins and Amino Acids

The word kwashiorkor literally means "the disease that the first child gets when a second child is born". Describe the circumstances that lead to the first born child developing kwashiorkor.

Correct AnswerAnswered by ExamLex AIKwashiorkor is a form of severe acute ma...View AnswerShow Answer

High-protein diets do not increase water loss.

Correct AnswerverifiedShow Answer

Most Americans consume more than enough grams of protein daily.

Correct AnswerverifiedShow Answer

Which of the following scenarios is a possibility if an amino acid supplement overwhelms the amino acid transport system?

Correct AnswerverifiedShow Answer

Because our bodies do not store protein, functional body proteins, such as enzymes and muscle proteins, must be broken down to yield amino acids.

Correct AnswerverifiedShow Answer

Foods are denatured by all of the following means EXCEPT by

Correct AnswerverifiedShow Answer

The effective chemical digestion of protein in the stomach requires a/an ____ environment?

Correct AnswerverifiedShow Answer

As validated by evidence-based research, the major health concern with high-protein diets is

Correct AnswerverifiedShow Answer

The amino group is removed by the process of transamination and converted into the waste product urea.

Correct AnswerverifiedShow Answer

Animal foods provide a more concentrated source of protein in the diet as compared to plant foods.

Correct AnswerverifiedShow Answer

The role of hydrochloric acid in protein digestion is to

Correct AnswerverifiedShow Answer

Kendra is aware that amino acids and protein are important in making muscle, but she would like to know other functions that they have in the body. Explain to Kendra other functions of protein.

A diet that includes a variety of plant proteins can easily meet most people's protein needs.

Correct AnswerverifiedShow Answer

The food label must indicate whether the product contains any of the most common food allergens.

Correct AnswerverifiedShow Answer

When the diet does not provide enough energy to meet the body's needs (e.g. consuming a very-low-calorie-weight-loss diet) body protein is used to provide energy.

Correct AnswerverifiedShow Answer

Epidemiological studies suggest that diets that are rich in animal protein and low in fluid contribute to the formation of kidney stones.

Correct AnswerverifiedShow Answer

Review where digestive processes of protein occur. Select the letter that indicates where mechanical breakdown of protein occurs.

Correct AnswerverifiedShow Answer

Of the following, which is the highest quality plant protein source?

Correct AnswerverifiedC

In general, plant proteins are used _____ efficiently as animal proteins to build proteins in the human body.

Correct AnswerverifiedShow Answer

Which of the following is the best description of nutrients provided by animal protein sources: in fiber; in saturated fat and cholesterol; in readily absorbed forms of iron, zinc, and calcium?

Correct AnswerverifiedD

Correct Answer
Answered by ExamLex AI
Kwashiorkor is a form of severe acute ma...
View Answer

Correct Answer
verified

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C

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D