Question 1

Which of the following amino acids is essential?

Accepted Answer

A) arginine 
B) valine 
C) glycine 
D) alanine 
A) arginine 
B) valine 
C) glycine 
D) alanine B

Question 2

A genetic disorder caused by a single amino acid error in hemoglobin is called:

Accepted Answer

A) phenylketonuria. 
B) cystic fibrosis. 
C) sickle cell anemia. 
D) marasmus. 
A) phenylketonuria. 
B) cystic fibrosis. 
C) sickle cell anemia. 
D) marasmus. C

Question 3

Which part of an individual amino acid distinguishes it from other amino acids?

Accepted Answer

A) side chain 
B) central carbon 
C) amine group 
D) acid group 
A) side chain 
B) central carbon 
C) amine group 
D) acid group A

Question 4

To use proteins for energy, the amine group is removed from the amino acid in a process called:

Accepted Answer

A) transamination. 
B) deamination. 
C) denaturation. 
D) transport. 
A) transamination. 
B) deamination. 
C) denaturation. 
D) transport.

Question 5

Proteases are:

Accepted Answer

A) protein messengers that alter the body's homeostasis. 
B) transport proteins that move substances throughout the body. 
C) defense proteins that attack foreign bacteria, viruses, and toxins. 
D) enzymes that break down proteins. 
A) protein messengers that alter the body's homeostasis. 
B) transport proteins that move substances throughout the body. 
C) defense proteins that attack foreign bacteria, viruses, and toxins. 
D) enzymes that break down proteins.

Question 6

Which of the following would you experience if you were to substitute legumes for red meat in your dinner?

Accepted Answer

A) increased iron 
B) increased omega-3 fatty acids 
C) increased fibre 
D) increased vitamin B12 
A) increased iron 
B) increased omega-3 fatty acids 
C) increased fibre 
D) increased vitamin B12

Question 7

Davis needs to ensure that he consumes sufficient tyrosine through dietary sources. Which of the following diseases is he most likely to have?

Accepted Answer

A) phenylketonuria (PKU) 
B) sickle cell anemia 
C) kwashiorkor 
D) metabolic acidosis 
A) phenylketonuria (PKU) 
B) sickle cell anemia 
C) kwashiorkor 
D) metabolic acidosis

Question 8

The specific function of a protein is determined by its:

Accepted Answer

A) sequence of amino acids. 
B) length. 
C) three-dimensional shape. 
D) electric charge. 
A) sequence of amino acids. 
B) length. 
C) three-dimensional shape. 
D) electric charge.

Question 9

A complete protein:

Accepted Answer

A) contains all 20 amino acids. 
B) contains all 9 essential amino acids. 
C) cannot be denatured by heat or acid. 
D) is easily digested in the gastrointestinal tract. 
A) contains all 20 amino acids. 
B) contains all 9 essential amino acids. 
C) cannot be denatured by heat or acid. 
D) is easily digested in the gastrointestinal tract.

Question 10

Which of the following is an inherited protein metabolism disorder characterized by a severe respiratory illness?

Accepted Answer

A) cystic fibrosis 
B) mad cow disease 
C) acidosis 
D) kwashiorkor 
A) cystic fibrosis 
B) mad cow disease 
C) acidosis 
D) kwashiorkor

Question 11

Which of the following is used to measure protein quality in the protein digestibility corrected amino acid score (PDCAAS)method?

Accepted Answer

A) the protein efficiency ratio in a healthy adult 
B) the proportion of absorbed protein that is incorporated into the body 
C) the average amount of weight gained per 100 g of food consumed 
D) the amino acid requirements, adjusted for digestibility, of a 2- to 5-year-old child 
A) the protein efficiency ratio in a healthy adult 
B) the proportion of absorbed protein that is incorporated into the body 
C) the average amount of weight gained per 100 g of food consumed 
D) the amino acid requirements, adjusted for digestibility, of a 2- to 5-year-old child

Question 12

Individuals with chronic lung disease may experience respiratory acidosis. What would be the direct effect of acidosis in the body?

Accepted Answer

A) a denaturing of body proteins 
B) an alkalosis of the blood 
C) a buildup of fluid in the tissues 
D) an electrolyte imbalance 
A) a denaturing of body proteins 
B) an alkalosis of the blood 
C) a buildup of fluid in the tissues 
D) an electrolyte imbalance

Question 13

Which of the following proteins are fundamental to the immune system?

Accepted Answer

A) enzymes 
B) antibodies 
C) buffers 
D) transport proteins 
A) enzymes 
B) antibodies 
C) buffers 
D) transport proteins

Question 14

Your friends explain to you that their recent nutritional assessment found they were low in protein. A more in-depth analysis revealed that their intakes of the amino acid lysine were particularly low. Your friends ask you to explain the concept of protein quality and how it can be measured. They also ask you to recommend some foods that would be good sources of lysine.

Accepted Answer

Protein quality depends on the content o

Question 15

Which of the following represents a positive nitrogen balance?

Accepted Answer

A) pregnancy 
B) extended bed rest 
C) severe weight loss 
D) increased body fat 
A) pregnancy 
B) extended bed rest 
C) severe weight loss 
D) increased body fat

Question 16

Oral digestive enzyme tablets are often covered in a special protective coating. Explain why this coating is necessary and what would happen if it was not present.

Accepted Answer

The coating is required because enzymes

Question 17

Jeffrey is a strength athlete who eats a well-balanced diet of red meat, fish, grains, and fruits and vegetables. He weighs 92 kg. Approximately, what is the MINIMUM amount of protein would you recommend he eat on a daily basis?

Accepted Answer

A) 74 grams 
B) 110 grams 
C) 156 grams 
D) 166 grams 
A) 74 grams 
B) 110 grams 
C) 156 grams 
D) 166 grams

Question 18

Foods that can be combined to provide all nine essential amino acids are called:

Accepted Answer

A) complementary foods. 
B) mutually exclusive foods. 
C) protein combining foods. 
D) whole foods. 
A) complementary foods. 
B) mutually exclusive foods. 
C) protein combining foods. 
D) whole foods.

Question 19

DNA provides the code for the sequence of amino acids. In a point mutation, a single nitrogen base changes, resulting in a different amino acid. Imagine this change in amino acid resulted in a change in the shape of an antibody. Why would this be a concern?

Accepted Answer

The shape of a protein is essential to i

Question 20

Textured vegetable protein (TVP)is often consumed by people following a vegan diet to help them meet their protein needs. The product is usually fortified with vitamin B12. Do you agree with fortifying TVP with vitamin B12? Why or why not?

Accepted Answer

Yes, I agree that fortifying TVP with vi

Which of the following amino acids is essential?

A genetic disorder caused by a single amino acid error in hemoglobin is called:

Which part of an individual amino acid distinguishes it from other amino acids?

To use proteins for energy, the amine group is removed from the amino acid in a process called:

Proteases are:

Which of the following would you experience if you were to substitute legumes for red meat in your dinner?

Davis needs to ensure that he consumes sufficient tyrosine through dietary sources. Which of the following diseases is he most likely to have?

The specific function of a protein is determined by its:

A complete protein:

Which of the following is an inherited protein metabolism disorder characterized by a severe respiratory illness?

Which of the following is used to measure protein quality in the protein digestibility corrected amino acid score (PDCAAS)method?

Individuals with chronic lung disease may experience respiratory acidosis. What would be the direct effect of acidosis in the body?

Which of the following proteins are fundamental to the immune system?

Which of the following represents a positive nitrogen balance?

Oral digestive enzyme tablets are often covered in a special protective coating. Explain why this coating is necessary and what would happen if it was not present.

Jeffrey is a strength athlete who eats a well-balanced diet of red meat, fish, grains, and fruits and vegetables. He weighs 92 kg. Approximately, what is the MINIMUM amount of protein would you recommend he eat on a daily basis?

Foods that can be combined to provide all nine essential amino acids are called:

DNA provides the code for the sequence of amino acids. In a point mutation, a single nitrogen base changes, resulting in a different amino acid. Imagine this change in amino acid resulted in a change in the shape of an antibody. Why would this be a concern?

Textured vegetable protein (TVP)is often consumed by people following a vegan diet to help them meet their protein needs. The product is usually fortified with vitamin B₁₂. Do you agree with fortifying TVP with vitamin B₁₂? Why or why not?

The Role of Nutrition in Our Health

Designing a Healthy Diet

The Human Body: Are We Really What We Eat

Carbohydrates: Plant-Derived Energy Nutrients

Lipids: Essential Energy-Supplying Nutrients

Metabolism: From Food to Life

Micronutrients, Phytochemicals, and Functional Foods

Nutrients Involved in Energy Metabolism

Nutrients Involved in Fluid and Electrolyte Balance

Nutrients Involved in Antioxidant Function

Nutrients Involved in Bone Health

Nutrients Involved in Blood Health and Immunity

Achieving and Maintaining a Healthy Body Weight

Nutrition and Physical Activity: Keys to Good Health

Nutrition Through the Life Cycle: Pregnancy and the First Years of Life

Nutrition Through the Life Cycle: Childhood and Adolescence

Nutrition Through the Life Cycle: the Later Years

Malnutrition at Home and Around the World

Filters

Exam 6: Proteins: Crucial Components of All Body Tissues

Which of the following amino acids is essential?

A genetic disorder caused by a single amino acid error in hemoglobin is called:

Which part of an individual amino acid distinguishes it from other amino acids?

To use proteins for energy, the amine group is removed from the amino acid in a process called:

Proteases are:

Which of the following would you experience if you were to substitute legumes for red meat in your dinner?

Davis needs to ensure that he consumes sufficient tyrosine through dietary sources. Which of the following diseases is he most likely to have?

The specific function of a protein is determined by its:

A complete protein:

Which of the following is an inherited protein metabolism disorder characterized by a severe respiratory illness?

Which of the following is used to measure protein quality in the protein digestibility corrected amino acid score (PDCAAS)method?

Individuals with chronic lung disease may experience respiratory acidosis. What would be the direct effect of acidosis in the body?

Which of the following proteins are fundamental to the immune system?

Which of the following represents a positive nitrogen balance?

Oral digestive enzyme tablets are often covered in a special protective coating. Explain why this coating is necessary and what would happen if it was not present.

Jeffrey is a strength athlete who eats a well-balanced diet of red meat, fish, grains, and fruits and vegetables. He weighs 92 kg. Approximately, what is the MINIMUM amount of protein would you recommend he eat on a daily basis?

Foods that can be combined to provide all nine essential amino acids are called:

DNA provides the code for the sequence of amino acids. In a point mutation, a single nitrogen base changes, resulting in a different amino acid. Imagine this change in amino acid resulted in a change in the shape of an antibody. Why would this be a concern?

Textured vegetable protein (TVP)is often consumed by people following a vegan diet to help them meet their protein needs. The product is usually fortified with vitamin B12. Do you agree with fortifying TVP with vitamin B12? Why or why not?

The Role of Nutrition in Our Health

Designing a Healthy Diet

The Human Body: Are We Really What We Eat

Carbohydrates: Plant-Derived Energy Nutrients

Lipids: Essential Energy-Supplying Nutrients

Metabolism: From Food to Life

Micronutrients, Phytochemicals, and Functional Foods

Nutrients Involved in Energy Metabolism

Nutrients Involved in Fluid and Electrolyte Balance

Nutrients Involved in Antioxidant Function

Nutrients Involved in Bone Health

Nutrients Involved in Blood Health and Immunity

Achieving and Maintaining a Healthy Body Weight

Nutrition and Physical Activity: Keys to Good Health

Nutrition Through the Life Cycle: Pregnancy and the First Years of Life

Nutrition Through the Life Cycle: Childhood and Adolescence

Nutrition Through the Life Cycle: the Later Years

Malnutrition at Home and Around the World

Filters

Textured vegetable protein (TVP)is often consumed by people following a vegan diet to help them meet their protein needs. The product is usually fortified with vitamin B₁₂. Do you agree with fortifying TVP with vitamin B₁₂? Why or why not?