Question 1

All of the following are features of protein in nutrition except

Accepted Answer

A) the study of the body's proteins in known as proteomics. 
B) protein synthesis requires messenger RNA and transfer RNA. 
C) most of the body's thousands of proteins have been studied and characterized. 
D) the synthesis of a protein by following the genetic code is known as gene expression. 
A) the study of the body's proteins in known as proteomics. 
B) protein synthesis requires messenger RNA and transfer RNA. 
C) most of the body's thousands of proteins have been studied and characterized. 
D) the synthesis of a protein by following the genetic code is known as gene expression.

Question 2

What is the relationship between body proteins and water?

Accepted Answer

A) Proteins attract water 
B) Water attracts proteins 
C) Water degrades proteins 
D) Proteins form polymers of water 
A) Proteins attract water 
B) Water attracts proteins 
C) Water degrades proteins 
D) Proteins form polymers of water

Question 3

In what organ is pepsin active?

Accepted Answer

A) Stomach 
B) Pancreas 
C) Small intestine 
D) Large intestine 
A) Stomach 
B) Pancreas 
C) Small intestine 
D) Large intestine

Question 4

Which of the following is a consequence of excess protein intake?

Accepted Answer

A) Decreased excretion of calcium 
B) Decreased size of the liver and kidneys 
C) Increased production and excretion of urea 
D) Increased protein storage by the liver and kidneys 
A) Decreased excretion of calcium 
B) Decreased size of the liver and kidneys 
C) Increased production and excretion of urea 
D) Increased protein storage by the liver and kidneys

Question 5

What is the percent digestibility of most animal proteins?

Accepted Answer

A) 50-65 
B) 70-75 
C) 80-85 
D) 90-99 
A) 50-65 
B) 70-75 
C) 80-85 
D) 90-99

Question 6

Pepsinogen is also known as a(n)

Accepted Answer

A) zymogen. 
B) oligopeptide. 
C) postenzyme. 
D) cofactor for pancreatic enzymes. 
A) zymogen. 
B) oligopeptide. 
C) postenzyme. 
D) cofactor for pancreatic enzymes.

Question 7

Which of the following processes is regulated primarily by the buffering action of proteins?

Accepted Answer

A) pH balance 
B) Fluid balance 
C) Blood clotting 
D) Synthesis of visual pigments 
A) pH balance 
B) Fluid balance 
C) Blood clotting 
D) Synthesis of visual pigments

Question 8

When nitrogen taken into the body exceeds nitrogen losses, we say the person is in

Accepted Answer

A) a healthy state. 
B) nitrogen equilibrium. 
C) positive nitrogen balance. 
D) negative nitrogen balance. 
A) a healthy state. 
B) nitrogen equilibrium. 
C) positive nitrogen balance. 
D) negative nitrogen balance.

Question 9

Jason is 35 years old and was recently diagnosed with 2 failing kidneys.He was advised to decrease the amount protein he consumes.If Jason cheats by eating an 8-ounce steak for dinner tonight, shortly thereafter there would most likely be an increase in the urea levels of his

Accepted Answer

A) urine. 
B) blood. 
C) stools. 
D) sweat. 
A) urine. 
B) blood. 
C) stools. 
D) sweat.

Question 10

What is the usual state of nitrogen balance for healthy infants, children, and pregnant women?

Accepted Answer

A) Equilibrium 
B) Metabolic 
C) Positive 
D) Negative 
A) Equilibrium 
B) Metabolic 
C) Positive 
D) Negative

Question 11

What is the range of daily protein intake, in g/kg, recommended for athletes?

Accepted Answer

A) 0.8-1.1 
B) 1.2-1.7 
C) 1.8-2.4 
D) 2.5-3.0 
A) 0.8-1.1 
B) 1.2-1.7 
C) 1.8-2.4 
D) 2.5-3.0

Question 12

The application of heat or acid to a protein that causes its shape to change is known as

Accepted Answer

A) stiffening. 
B) condensation. 
C) denaturation. 
D) destabilization. 
A) stiffening. 
B) condensation. 
C) denaturation. 
D) destabilization.

Question 13

What is the most likely reason for having an abnormally high blood urea level?

Accepted Answer

A) Liver dysfunction 
B) Kidney dysfunction 
C) Protein intake twice the RDA 
D) Protein intake one-tenth the RDA 
A) Liver dysfunction 
B) Kidney dysfunction 
C) Protein intake twice the RDA 
D) Protein intake one-tenth the RDA

Question 14

Which of the following is not a characteristic of marasmus?

Accepted Answer

A) Results in a low resistance to disease 
B) Affects brain development only minimally 
C) Occurs most commonly in children aged 6 to 18 months 
D) Results in little or no fat under the skin to insulate against cold 
A) Results in a low resistance to disease 
B) Affects brain development only minimally 
C) Occurs most commonly in children aged 6 to 18 months 
D) Results in little or no fat under the skin to insulate against cold

Question 15

Which of the following describes a relationship between protein/amino acids and heart disease?

Accepted Answer

A) Substituting soy protein for animal protein raises blood cholesterol levels 
B) High blood levels of the amino acid arginine are a risk factor for atherosclerosis 
C) High levels of homocysteine in food promote elevation of blood low-density lipoproteins 
D) Elevated blood homocysteine levels are associated with smoking cigarettes and drinking alcohol 
A) Substituting soy protein for animal protein raises blood cholesterol levels 
B) High blood levels of the amino acid arginine are a risk factor for atherosclerosis 
C) High levels of homocysteine in food promote elevation of blood low-density lipoproteins 
D) Elevated blood homocysteine levels are associated with smoking cigarettes and drinking alcohol

Question 16

Tissue swelling that results from water accumulating between cells is known as

Accepted Answer

A) edema. 
B) acidosis. 
C) alkalosis. 
D) extravascularization. 
A) edema. 
B) acidosis. 
C) alkalosis. 
D) extravascularization.

Question 17

Which of the following is a feature of the branched-chain amino acids?

Accepted Answer

A) They are all dispensable amino acids 
B) Large doses may suppress ammonia production 
C) They represent the major energy source for muscle tissue 
D) They may be helpful in treatment of advanced liver failure 
A) They are all dispensable amino acids 
B) Large doses may suppress ammonia production 
C) They represent the major energy source for muscle tissue 
D) They may be helpful in treatment of advanced liver failure

Question 18

Terms used to classify amino acids in the diet include all of the following except

Accepted Answer

A) essential. 
B) nonessential. 
C) partially essential. 
D) conditionally essential. 
A) essential. 
B) nonessential. 
C) partially essential. 
D) conditionally essential.

Question 19

Which of the following is associated with the presence of tissue edema in kwashiorkor?

Accepted Answer

A) Inadequate intake of water 
B) Excessive intake of dietary protein 
C) Low concentration of blood protein 
D) High concentration of blood protein 
A) Inadequate intake of water 
B) Excessive intake of dietary protein 
C) Low concentration of blood protein 
D) High concentration of blood protein

Question 20

What is the percentage of total energy derived from protein in a diet containing 50 grams of protein and 2000 kcalories?

Accepted Answer

A) 2.5 
B) 5 
C) 10 
D) 20 
A) 2.5 
B) 5 
C) 10 
D) 20

Exam 6: Protein: Amino Acids

All of the following are features of protein in nutrition except

What is the relationship between body proteins and water?

In what organ is pepsin active?

Which of the following is a consequence of excess protein intake?

What is the percent digestibility of most animal proteins?

Pepsinogen is also known as a(n)

Which of the following processes is regulated primarily by the buffering action of proteins?

When nitrogen taken into the body exceeds nitrogen losses, we say the person is in

Jason is 35 years old and was recently diagnosed with 2 failing kidneys.He was advised to decrease the amount protein he consumes.If Jason cheats by eating an 8-ounce steak for dinner tonight, shortly thereafter there would most likely be an increase in the urea levels of his

What is the usual state of nitrogen balance for healthy infants, children, and pregnant women?

What is the range of daily protein intake, in g/kg, recommended for athletes?

The application of heat or acid to a protein that causes its shape to change is known as

What is the most likely reason for having an abnormally high blood urea level?

Which of the following is not a characteristic of marasmus?

Which of the following describes a relationship between protein/amino acids and heart disease?

Tissue swelling that results from water accumulating between cells is known as

Which of the following is a feature of the branched-chain amino acids?

Terms used to classify amino acids in the diet include all of the following except

Which of the following is associated with the presence of tissue edema in kwashiorkor?

What is the percentage of total energy derived from protein in a diet containing 50 grams of protein and 2000 kcalories?

An Overview of Nutrition

Planning a Healthy Diet

Digestion, Absorption, and Transport

The Carbohydrates: Sugars, Starches and Fibers

The Lipids: Triglycerides, Phospholipids, and Sterols

Metabolism: Transformations and Interactions

Energy Balance and Body Composition

Weight Management: Overweight, Obesity, and Underweight

The Water-Soluble Vitamins: B Vitamins and Vitamin C

The Fat-Soluble Vitamins: A, D, E, and K

Water and the Major Minerals

The Trace Minerals

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, Childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Nutrition Care and Assessment

Nutrition Intervention

Medications, Diet-Drug Interactions, and Herbal Products

Enteral Nutrition Support

Parenteral Nutrition Support

Metabolic and Respiratory Stress

Upper Gastrointestinal Disorders

Lower Gastrointestinal Disorders

Liver Disease and Gallstones

Diabetes Mellitus

Cardiovascular Diseases

Kidney Diseases

Cancer and Hiv Infection

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