Question 1

What percentage of dietary protein is hydrolyzed in the mouth? ​

Accepted Answer

A) ​0 
B) 5-10 
C) 15-20 
D) 25-30 
A) ​0 
B) 5-10 
C) 15-20 
D) 25-30

Question 2

What is a characteristic of hormones?

Accepted Answer

A) inactivate bacteria 
B) act as messenger molecules 
C) coordinate visual responses 
D) act as buffers in the bloodstream 
A) inactivate bacteria 
B) act as messenger molecules 
C) coordinate visual responses 
D) act as buffers in the bloodstream

Question 3

What are the two products of deamination? ​

Accepted Answer

A) ammonia and keto acid 
B) amino acid and keto acid 
C) ammonia and an amino acid 
D) urea and a keto acid 
A) ammonia and keto acid 
B) amino acid and keto acid 
C) ammonia and an amino acid 
D) urea and a keto acid

Question 4

Alberta is a 20-year-old who has been a vegetarian for three years. She comes to you for advice after reading some material online by the Meat Promoters of America organization. One of their statements is "...vegetarians are at risk for protein deficiency because they cannot consume all of the essential amino acids necessary for healthy individuals." How should Alberta be advised? ​

Accepted Answer

A) She should consume dairy and egg products at every meal to protect herself against protein deficiency. 
B) She should avoid the "limiting" amino acids because they are limiting her ability to maintain proper protein status. 
C) Because the statement is basically true, she should consider eating small quantities of meat every day in order to avoid protein deficiency. 
D) Although many foods don't provide all the essential amino acids individually, she could consume complementary proteins throughout the day, which would provide all the essential amino acids she needs. 
A) She should consume dairy and egg products at every meal to protect herself against protein deficiency. 
B) She should avoid the "limiting" amino acids because they are limiting her ability to maintain proper protein status. 
C) Because the statement is basically true, she should consider eating small quantities of meat every day in order to avoid protein deficiency. 
D) Although many foods don't provide all the essential amino acids individually, she could consume complementary proteins throughout the day, which would provide all the essential amino acids she needs.

Question 5

What amino acid is used to synthesize the neurotransmitter serotonin and the vitamin niacin?

Accepted Answer

A) glycine 
B) tyrosine 
C) methionine 
D) tryptophan 
A) glycine 
B) tyrosine 
C) methionine 
D) tryptophan

Question 6

What are the products of transamination? ​

Accepted Answer

A) ammonia and keto acid 
B) amino acid and keto acid 
C) ammonia and an amino acid 
D) urea and a keto acid 
A) ammonia and keto acid 
B) amino acid and keto acid 
C) ammonia and an amino acid 
D) urea and a keto acid

Question 7

In comparison to the composition of carbohydrates and fats, which element found in proteins makes them unique?

Accepted Answer

A) carbon 
B) oxygen 
C) nitrogen 
D) hydrogen 
A) carbon 
B) oxygen 
C) nitrogen 
D) hydrogen

Question 8

Match between columns
                        Premises: a conditionally essential amino acid

Accepted Answer

The Answer of edema and ribosome and infection and enzyme is...

Question 9

List at least five major, general, functions of proteins in the body.

Accepted Answer

Proteins can function as enzym

Question 10

Where does protein digestion begin in the human body?

Accepted Answer

A) mouth 
B) stomach 
C) small intestine 
D) large intestine 
A) mouth 
B) stomach 
C) small intestine 
D) large intestine

Question 11

What digestive enzyme would be most affected in people who are unable to produce hydrochloric acid?

Accepted Answer

A) pepsin 
B) transaminase 
C) pancreatic protease 
D) intestinal peptidase 
A) pepsin 
B) transaminase 
C) pancreatic protease 
D) intestinal peptidase

Question 12

Jason is 35 years old and was recently diagnosed with two failing kidneys. He was advised to decrease the amount of 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 13

Jim, a college baseball player, tells you that he has started to take glutamine supplements. How would you advise him? ​

Accepted Answer

A) As long as he keeps the dose under 10 grams per day, the benefits outweigh the costs. 
B) Since he plays baseball, he should consider taking alanine supplements instead. 
C) Since he plays baseball, he should consider taking tryptophan supplements instead. 
D) Since single amino acids do not occur naturally in foods, they offer no benefit to the body and may even be harmful. 
A) As long as he keeps the dose under 10 grams per day, the benefits outweigh the costs. 
B) Since he plays baseball, he should consider taking alanine supplements instead. 
C) Since he plays baseball, he should consider taking tryptophan supplements instead. 
D) Since single amino acids do not occur naturally in foods, they offer no benefit to the body and may even be harmful.

Question 14

In the metabolism of amino acids for energy, what is the fate of the amino group? ​

Accepted Answer

A) excreted as urea 
B) burned for energy 
C) stored in the liver 
D) converted to glucose 
A) excreted as urea 
B) burned for energy 
C) stored in the liver 
D) converted to glucose

Question 15

What is the primary factor that differentiates one amino acid from another?

Accepted Answer

A) the side group 
B) the central carbon atom 
C) the number of oxygen atoms 
D) the number of nitrogen atoms 
A) the side group 
B) the central carbon atom 
C) the number of oxygen atoms 
D) the number of nitrogen atoms

Question 16

What 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 17

Match between columns
                        Premises: a small protein hormone

Accepted Answer

The Answer of  p epsin and homocysteine and hemoglobin is...

Question 18

What is a feature of the branched-chain amino acids? ​

Accepted Answer

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

Question 19

Match between columns
                        Premises: describes substances repelled by water

Accepted Answer

The Answer of gelatin and edema and insulin and homocysteine is...

Question 20

Match between columns
                        Premises: a protein catalyst

Accepted Answer

The Answer of collagen and ribosome and alanine and  is...

Exam 6: Protein: Amino Acids

What percentage of dietary protein is hydrolyzed in the mouth? ​

What is a characteristic of hormones?

What are the two products of deamination? ​

What amino acid is used to synthesize the neurotransmitter serotonin and the vitamin niacin?

What are the products of transamination? ​

In comparison to the composition of carbohydrates and fats, which element found in proteins makes them unique?

List at least five major, general, functions of proteins in the body.

Where does protein digestion begin in the human body?

What digestive enzyme would be most affected in people who are unable to produce hydrochloric acid?

Jason is 35 years old and was recently diagnosed with two failing kidneys. He was advised to decrease the amount of 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 ____.

Jim, a college baseball player, tells you that he has started to take glutamine supplements. How would you advise him? ​

In the metabolism of amino acids for energy, what is the fate of the amino group? ​

What is the primary factor that differentiates one amino acid from another?

What is a consequence of excess protein intake? ​

What is a feature of the branched-chain amino acids? ​

An Overview of Nutrition

Planning a Healthy Diet

Digestion, Absorption, and Transport

The Carbohydrates: Sugar, Starches, and Fibers

The Lipids: Triglycerides, Phospholipids, and Sterols

Energy Metabolism

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

Filters

What percentage of dietary protein is hydrolyzed in the mouth?

What are the two products of deamination?

What are the products of transamination?

Jim, a college baseball player, tells you that he has started to take glutamine supplements. How would you advise him?

In the metabolism of amino acids for energy, what is the fate of the amino group?

What is a consequence of excess protein intake?

What is a feature of the branched-chain amino acids?