Question 1

Why should we cook eggs before eating them rather than eating them raw?

Accepted Answer

A) Raw egg proteins provide excessive amounts of iron and cause adverse effects when consumed. 
B) Raw egg proteins speed up protein digestion and prevent adequate absorption of proteins. 
C) Raw egg proteins cannot be denatured in the human body. 
D) Raw egg proteins are completely indigestible and cause food poisoning. 
E) Raw egg proteins bind to biotin, making it unavailable for absorption in the body.

Question 2

In times of energy shortage due to inadequate carbohydrate or fat in foods, how does the body generate energy?

Accepted Answer

A) The body decreases its breakdown of food proteins and utilizes the stored glycogen. 
B) The amine group in the amino acid is converted into carbohydrates to obtain energy. 
C) The amine group from the amino acids is removed and the remaining fragments are used for energy. 
D) Cells convert amino acids into fat and obtain concentrated energy. 
E) Cells strip off the acid groups from amino acids and convert them into energy.

Question 3

What happens when amino acids are oversupplied in the diet?

Accepted Answer

The answer of What happens when amino acids are oversupplied...

Question 4

The chief protein that is present in most connective tissues, including scars, ligaments, and tendons, is:

Accepted Answer

A) insulin 
B) enzymes 
C) hemoglobin 
D) collagen 
E) antibodies

Question 5

The body is capable of producing all 20 amino acids it requires from fragments derived from carbohydrate and fat.

Accepted Answer

A) True 
 B)False

Question 6

Red meat causes an abnormal immune response in people suffering from celiac disease.

Accepted Answer

A) True 
 B)False

Question 7

The protein hemoglobin carries oxygen from the lungs to the tissues. This is an example of protein's role in:

Accepted Answer

A) supporting growth and maintenance 
B) building enzymes and hormones 
C) transporting substances around the body 
D) maintaining acid-base balance 
E) maintaining fluid and electrolyte balance

Question 8

A 10-year-old boy is going through a growth spurt. What should his nitrogen status be, given that he needs to build new muscle tissue?

Accepted Answer

A) Positive nitrogen balance 
B) Negative nitrogen balance 
C) Nitrogen equilibrium 
D) Nitrogen deficiency 
E) Nitrogen excess

Question 9

Which of the following foods should be included in a vegan child's diet to ensure adequate growth and bone development?

Accepted Answer

A) Soy milk for iron 
B) Dark green vegetables for omega-3 fatty acids 
C) Raisins for calcium 
D) Whole grains for zinc 
E) Eggs for vitamin B  12

Question 10

Which of the following statements is true of a vegan diet?

Accepted Answer

A) Vegan children may not consume enough plant sources of protein to build bone and muscle tissue. 
B) A vegan woman always has excellent stores of nutrients needed for pregnancy. 
C) Research shows that vegan diets promote normal growth in children. 
D) The daily protein requirement in vegan children is less than that of meat-eating children. 
E) Child-sized vegan servings are larger than adult-sized vegan servings.

Question 11

Describe the relationship between vegetarian diets and high blood pressure.

Accepted Answer

The answer of Describe the relationship between vegetarian diets and...

Question 12

All of the following cause denaturation of proteins except :

Accepted Answer

A) bases 
B) heat 
C) alcohol 
D) water 
E) radiation

Question 13

Sickle-cell disease is an example of an inherited variation in the amino acid sequence.

Accepted Answer

A) True 
 B)False

Question 14

When amino acids are degraded for energy, their amine groups are stripped off and incorporated by the liver into _____ and sent to the kidneys for excretion.

Accepted Answer

A) urea 
B) glucose 
C) glycogen 
D) bile 
E) insulin

Question 15

Which of the following helps protect the stomach lining from the action of strong hydrochloric acid produced in the stomach?

Accepted Answer

A) Water 
B) Saliva 
C) Enzymes 
D) A coat of mucus 
E) Antibodies

Question 16

Explain how proteins maintain fluid and electrolyte balance.

Accepted Answer

The answer of Explain how proteins maintain fluid and electrolyte...

Question 17

In making recommendations for protein intake, the DRI committee took into consideration that the protein in a normal diet would be:

Accepted Answer

A) a combination of animal and plant sources 
B) sufficient for pregnant women of all ages 
C) used by athletes and bodybuilders 
D) best absorbed with food additives 
E) used only for building muscle mass

Question 18

Which of the following is a protein catalyst that facilitates chemical reactions?

Accepted Answer

A) Lysosomes 
B) Enzymes 
C) Lipoproteins 
D) Hormones 
E) Antibodies

Question 19

The best way to ensure adequate absorption of dietary iron when consuming soy products is to:

Accepted Answer

A) include leafy greens because the iron they contain is absorbed readily 
B) avoid dried fruits because they interfere with iron absorption 
C) include vitamin C-rich foods because they enhance the absorption of iron 
D) consume three times the amount of iron recommended for meat eaters 
E) include eggs and cheese at least three times a week as an iron supplement

Question 20

Growing children are in negative nitrogen balance because excess protein is required for adding blood, bone, and muscle cells.

Accepted Answer

A) True 
 B)False

Exam 6: The Proteins and Amino Acids

Why should we cook eggs before eating them rather than eating them raw?

In times of energy shortage due to inadequate carbohydrate or fat in foods, how does the body generate energy?

What happens when amino acids are oversupplied in the diet?

The chief protein that is present in most connective tissues, including scars, ligaments, and tendons, is:

The body is capable of producing all 20 amino acids it requires from fragments derived from carbohydrate and fat.

Red meat causes an abnormal immune response in people suffering from celiac disease.

The protein hemoglobin carries oxygen from the lungs to the tissues. This is an example of protein's role in:

A 10-year-old boy is going through a growth spurt. What should his nitrogen status be, given that he needs to build new muscle tissue?

Which of the following foods should be included in a vegan child's diet to ensure adequate growth and bone development?

Which of the following statements is true of a vegan diet?

Describe the relationship between vegetarian diets and high blood pressure.

All of the following cause denaturation of proteins except :

Sickle-cell disease is an example of an inherited variation in the amino acid sequence.

When amino acids are degraded for energy, their amine groups are stripped off and incorporated by the liver into _____ and sent to the kidneys for excretion.

Which of the following helps protect the stomach lining from the action of strong hydrochloric acid produced in the stomach?

Explain how proteins maintain fluid and electrolyte balance.

In making recommendations for protein intake, the DRI committee took into consideration that the protein in a normal diet would be:

Which of the following is a protein catalyst that facilitates chemical reactions?

The best way to ensure adequate absorption of dietary iron when consuming soy products is to:

Growing children are in negative nitrogen balance because excess protein is required for adding blood, bone, and muscle cells.