Question 1

When 2 or more plant proteins are combined to compensate for deficiencies in essential amino acid content in each protein,the proteins are called ________.

Accepted Answer

A)  nonessential proteins
B)  complementary proteins
C)  conditional proteins
D)  corrected proteins

Question 2

DNA-coded instructions for protein synthesis consist of a sequence of ___ nucleotides per unit.

Accepted Answer

A)  2
B)  3
C)  5
D)  10

Question 3

What would happen to dietary protein if HCl were not being produced in sufficient quantities?

Accepted Answer

A)  Protein digestion would occur at a faster rate.
B)  Protein digestion could not fully occur because proteins could not be denatured and pepsinogen could not be converted to pepsin.
C)  Proteins would be digested by gastric lipase in the stomach.
D)  None of the choices are correct.

Question 4

Which of the following is not a means of determining the protein quality of a food?

Accepted Answer

A)  biological value
B)  chemical score
C)  protein efficiency ratio
D)  complementary score

Question 5

When over 10 amino acids are chemically linked by peptide bonds,the resulting product is known as ________.

Accepted Answer

A)  a dipeptide
B)  a tripeptide
C)  an oligopeptide
D)  a polypeptide

Question 6

Nitrogen makes up approximately _____ of the weight of an amino acid.

Accepted Answer

A)  8%
B)  16%
C)  24%
D)  32%

Question 7

_________ are compounds that help to maintain acid-base balance within a narrow range.

Accepted Answer

A)  Antibodies
B)  Buffers
C)  Sterols
D)  Enzymes

Question 8

Vegetarian diets are most often low in calcium,vitamin D,vitamin B-12,iron,and zinc.

Accepted Answer

A) True 
 B)False

Question 9

Marasmus is characterized by ________.

Accepted Answer

A)  edema
B)  extreme weight loss and fat loss
C)  excess energy intakes
D)  allergy to cow's milk

Question 10

When plant proteins are compared to animal proteins,they ________.

Accepted Answer

A)  usually have equal quantities of essential amino acids
B)  are usually superior in their array of essential amino acids
C)  are usually deficient in one or more essential amino acids
D)  are equal in quality so long as they are not overcooked

Question 11

The recommended amount of protein as a percentage of total energy intake is ________.

Accepted Answer

A)  15% to 20%
B)  20% to 30%
C)  10% to 35%
D)  40% to 50%

Question 12

The presence of ___________ chemically distinguishes protein from carbohydrate and fat.

Accepted Answer

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

Question 13

Protein intakes above 35% of energy intake are associated with dehydration,amino acid imbalance,and increased risk of certain cancers.

Accepted Answer

A) True 
 B)False

Question 14

Legumes are an excellent source of vegetable protein.

Accepted Answer

A) True 
 B)False

Question 15

Amino acids are required for the synthesis of ________.

Accepted Answer

A)  enzymes
B)  neurotransmitters
C)  some hormones
D)  All of the choices are accurate.

Question 16

Over time,if protein intake does not meet the body's protein needs for building and repair of tissues,________.

Accepted Answer

A)  skeletal muscle,heart muscle,and the liver decrease in size
B)  excessive body fluid begins to accumulate in the extracellular spaces
C)  the immune system fails to function properly
D)  All of these choices are accurate.

Question 17

Edema in the lower extremities may appear when there is a severe lack of dietary protein because ________.

Accepted Answer

A)  sodium is retained in the body
B)  blood protein levels drop and fluid shifts into interstitial spaces
C)  blood protein levels increase and force fluid into the cells
D)  the kidneys cannot efficiently excrete excess fluid

Question 18

A high-protein diet is discouraged for patients with ________.

Accepted Answer

A)  infection
B)  marasmus
C)  kidney disease
D)  kwashiorkor

Question 19

Marasmus in infants commonly occurs in poverty-stricken countries.

Accepted Answer

A) True 
 B)False

Question 20

A vegan will eat ________.

Accepted Answer

A)  only fruits,nuts,honey,and vegetable oils
B)  dairy products,eggs,and fish
C)  dairy products and plant foods
D)  only foods from plant sources

Exam 7: Proteins

A high-protein diet is discouraged for patients with ________.

Correct AnswerverifiedShow Answer

Nitrogen makes up approximately _____ of the weight of an amino acid.

Correct AnswerverifiedShow Answer

When 2 or more plant proteins are combined to compensate for deficiencies in essential amino acid content in each protein,the proteins are called ________.

Correct AnswerverifiedShow Answer

Which of the following is not a means of determining the protein quality of a food?

Correct AnswerverifiedShow Answer

Edema in the lower extremities may appear when there is a severe lack of dietary protein because ________.

Correct AnswerverifiedShow Answer

_________ are compounds that help to maintain acid-base balance within a narrow range.

Correct AnswerverifiedShow Answer

Over time,if protein intake does not meet the body's protein needs for building and repair of tissues,________.

Correct AnswerverifiedShow Answer

Legumes are an excellent source of vegetable protein.

Correct AnswerverifiedShow Answer

DNA-coded instructions for protein synthesis consist of a sequence of ___ nucleotides per unit.

Correct AnswerverifiedShow Answer

Marasmus in infants commonly occurs in poverty-stricken countries.

Correct AnswerverifiedShow Answer

The presence of ___________ chemically distinguishes protein from carbohydrate and fat.

Correct AnswerverifiedShow Answer

Protein intakes above 35% of energy intake are associated with dehydration,amino acid imbalance,and increased risk of certain cancers.

Correct AnswerverifiedShow Answer

A vegan will eat ________.

Correct AnswerverifiedShow Answer

Marasmus is characterized by ________.

Correct AnswerverifiedShow Answer

The recommended amount of protein as a percentage of total energy intake is ________.

Correct AnswerverifiedShow Answer

When over 10 amino acids are chemically linked by peptide bonds,the resulting product is known as ________.

Correct AnswerverifiedShow Answer

What would happen to dietary protein if HCl were not being produced in sufficient quantities?

Correct AnswerverifiedShow Answer

Vegetarian diets are most often low in calcium,vitamin D,vitamin B-12,iron,and zinc.

Correct AnswerverifiedShow Answer

When plant proteins are compared to animal proteins,they ________.

Correct AnswerverifiedShow Answer

Amino acids are required for the synthesis of ________.

Correct AnswerverifiedShow Answer

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