Question 1

Which of the following is a function of melatonin?

Accepted Answer

A)   it promotes sleep
B)   it prevents night blindness
C)   it repairs damaged tissues
D)   it synthesizes essential amino acids
E)   it regulates the body's fluid balanceF) A) and C)
G) A) and E)

Question 2

The tertiary structure of proteins is _____.

Accepted Answer

A)   a branched arrangement of linked amino acids
B)   a linear arrangement of linked amino acids
C)   folded chains of amino acids
D)   a three-dimensional structure
E)   multiple, linked chains of amino acidsF) A) and D)
G) A) and B)

Question 3

Match between columns
                        Premises: essential amino acids
nonessential amino acids
complete proteins
protein
hormone
DNA
immunoproteins
incomplete proteins
kwashiorkor
nitrogen balance
urea

Accepted Answer

The Answer of blood proteins such as antibodies that play is...

Question 4

The RDA for iron for women aged 19 to 30 years is _____ milligrams.

Accepted Answer

A)   10
B)   15
C)   20
D)   25
E)   30F) A) and E)
G) C) and E)

Question 5

A negative nitrogen balance may occur with undernutrition, injuries, and fever.

Accepted Answer

A) True 
 B)False

Question 6

The National Academy of Sciences has concluded that the risk of the development of weak bones, kidney stones, cancer, heart disease, and obesity due to high-protein diets does not appear to be increased among individuals consuming _____% of total calories from protein.

Accepted Answer

A)   5-15
B)   10-20
C)   10-35
D)   20-40
E)   30-45F) C) and E)
G) All of the above

Question 7

High intake of protein increases _____ need.

Accepted Answer

A)   glucose
B)   water
C)   fat
D)   iron
E)   calciumF) A) and E)
G) A) and D)

Question 8

Sam has started following a strength training program this semester and is trying to increase his muscle size and strength. He has had trouble eating a healthy, balanced diet in the past and is currently trying to eat a balanced diet with adequate calories and protein. However, he is unsure if he is getting enough protein because he follows a lacto-ovo vegetarian diet, in which he consumes dairy products and eggs, but no fish or meat.
Sam has been looking into ways to supplement his diet with amino acid supplements. However, Sam's sister Katie is concerned that the supplements could adversely affect his health. Answer the following questions to help Sam make the best decisions for increasing protein intake without experiencing negative side effects.
Which food in Sam's diet should he consume after a workout?

Accepted Answer

A)   whole-grain bread
B)   a hard-boiled egg
C)   coffee
D)   steel-cut oats
E)   a bananaF) All of the above
G) B) and D)

Question 9

Hemoglobin is an example of a _____ type of protein structure.

Accepted Answer

A)   primary
B)   secondary
C)   tertiary
D)   quaternary
E)   quinaryF) B) and D)
G) B) and C)

Question 10

Proteins _____.

Accepted Answer

A)   are only found in animal products
B)   cushion vital organs
C)   are critical for nerve function
D)   function as an insulator to preserve body heat
E)   are a major component of hormonesF) A) and B)
G) B) and D)

Question 11

Inadequate protein intake is related to _____ in children.

Accepted Answer

A)   impulsiveness
B)   slower reaction times
C)   hyperactivity
D)   decreased growth
E)   violent behaviorF) All of the above
G) D) and E)

Question 12

Melatonin is a derivative of the essential amino acid _____.

Accepted Answer

A)   histidine
B)   valine
C)   tryptophan
D)   threonine
E)   lysineF) A) and C)
G) D) and E)

Question 13

Diets that provide too little protein are most likely deficient in _____.

Accepted Answer

A)   vitamin B  12 
B)   vitamin D
C)   calcium
D)   sodium
E)   potassiumF) A) and D)
G) A) and C)

Question 14

The biggest users of amino acid supplements are athletes.

Accepted Answer

A) True 
 B)False

Question 15

Which source of protein is considered a complete protein?

Accepted Answer

A)   corn
B)   rice
C)   lima beans
D)   peanuts
E)   milkF) B) and D)
G) A) and D)

Question 16

Which of the following is an example of a nonessential amino acid?

Accepted Answer

A)   histidine
B)   isoleucine
C)   tryptophan
D)   alanine
E)   valineF) A) and B)
G) A) and C)

Question 17

The RDA for protein is _____ grams for adult women and _____ grams for adult men.

Accepted Answer

A)   25; 35
B)   32; 42
C)   41; 49
D)   46; 56
E)   50; 62F) A) and B)
G) A) and C)

Question 18

During starvation, body proteins will be used as a major source of energy.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following amino acids is essential?

Accepted Answer

A)   asparagine
B)   tryptophan
C)   glycine
D)   glutamine
E)   prolineF) C) and D)
G) A) and B)

Question 20

Red blood cells are made primarily from protein.

Accepted Answer

A) True 
 B)False

Exam 15: Proteins and Amino Acids

Match each term with the appropriate definition.

The RDA for protein is _ grams for adult women and _ grams for adult men.

Correct Answer
verified

The biggest users of amino acid supplements are athletes.

Correct Answer
verified

Which of the following amino acids is essential?

Correct Answer
verified

Which source of protein is considered a complete protein?

Correct Answer
verified

Proteins _____.

Correct Answer
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Inadequate protein intake is related to _____ in children.

Correct Answer
verified

Correct Answer
verified

The tertiary structure of proteins is _____.

Correct Answer
verified

Which of the following is a function of melatonin?

Correct Answer
verified

The National Academy of Sciences has concluded that the risk of the development of weak bones, kidney stones, cancer, heart disease, and obesity due to high-protein diets does not appear to be increased among individuals consuming _____% of total calories from protein.

Correct Answer
verified

Red blood cells are made primarily from protein.

Correct Answer
verified

Hemoglobin is an example of a _____ type of protein structure.

Correct Answer
verified

During starvation, body proteins will be used as a major source of energy.

Correct Answer
verified

Melatonin is a derivative of the essential amino acid _____.

Correct Answer
verified

Which of the following is an example of a nonessential amino acid?

Correct Answer
verified

Diets that provide too little protein are most likely deficient in _____.

Correct Answer
verified

A negative nitrogen balance may occur with undernutrition, injuries, and fever.

Correct Answer
verified

High intake of protein increases _____ need.

Correct Answer
verified

The RDA for iron for women aged 19 to 30 years is _____ milligrams.

Correct Answer
verified

Exam 15: Proteins and Amino Acids

Match each term with the appropriate definition.

The RDA for protein is _____ grams for adult women and _____ grams for adult men.

Correct AnswerverifiedShow Answer

The biggest users of amino acid supplements are athletes.

Correct AnswerverifiedShow Answer

Which of the following amino acids is essential?

Correct AnswerverifiedShow Answer

Which source of protein is considered a complete protein?

Correct AnswerverifiedShow Answer

Proteins _____.

Correct AnswerverifiedShow Answer

Inadequate protein intake is related to _____ in children.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The tertiary structure of proteins is _____.

Correct AnswerverifiedShow Answer

Which of the following is a function of melatonin?

Correct AnswerverifiedShow Answer

The National Academy of Sciences has concluded that the risk of the development of weak bones, kidney stones, cancer, heart disease, and obesity due to high-protein diets does not appear to be increased among individuals consuming _____% of total calories from protein.

Correct AnswerverifiedShow Answer

Red blood cells are made primarily from protein.

Correct AnswerverifiedShow Answer

Hemoglobin is an example of a _____ type of protein structure.

Correct AnswerverifiedShow Answer

During starvation, body proteins will be used as a major source of energy.

Correct AnswerverifiedShow Answer

Melatonin is a derivative of the essential amino acid _____.

Correct AnswerverifiedShow Answer

Which of the following is an example of a nonessential amino acid?

Correct AnswerverifiedShow Answer

Diets that provide too little protein are most likely deficient in _____.

Correct AnswerverifiedShow Answer

A negative nitrogen balance may occur with undernutrition, injuries, and fever.

Correct AnswerverifiedShow Answer

High intake of protein increases _____ need.

Correct AnswerverifiedShow Answer

The RDA for iron for women aged 19 to 30 years is _____ milligrams.

Correct AnswerverifiedShow Answer

The RDA for protein is _ grams for adult women and _ grams for adult men.

Correct Answer
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