Question 1

If protein needs are expressed per kilogram of body weight, which of the following describes the requirements of infants?

Accepted Answer

A) Less than adults 
B) Similar to adults 
C) Greater than adults 
D) Less than adolescents 
A) Less than adults 
B) Similar to adults 
C) Greater than adults 
D) Less than adolescents C

Question 2

What is meant by the amino acid sequence of a protein?

Accepted Answer

A) Number of side chains in the protein 
B) Folding arrangement of the peptide chain 
C) Order of amino acids in the peptide chain 
D) Order of only the essential amino acids in the protein 
A) Number of side chains in the protein 
B) Folding arrangement of the peptide chain 
C) Order of amino acids in the peptide chain 
D) Order of only the essential amino acids in the protein C

Question 3

Which of the following is a feature of the protein RDA?

Accepted Answer

A) The recommendations are generous 
B) It is highest proportionately for adult males 
C) It is established at 8 grams per kilogram of ideal body weight 
D) An assumption is made that dietary protein is from animal sources only 
A) The recommendations are generous 
B) It is highest proportionately for adult males 
C) It is established at 8 grams per kilogram of ideal body weight 
D) An assumption is made that dietary protein is from animal sources only A

Question 4

Of the following sources of amino acids, which would be best absorbed in normal, healthy people?

Accepted Answer

A) Whole proteins 
B) Predigested proteins 
C) Proteins from raw foods 
D) Mixture of free amino acids 
A) Whole proteins 
B) Predigested proteins 
C) Proteins from raw foods 
D) Mixture of free amino acids

Question 5

Which of the following describes an association between protein intake and kidney function?

Accepted Answer

A) Low-protein diets increase the risk for kidney stone formation 
B) Restricting protein intake may slow the progression of kidney disease 
C) High protein intakes over the long term represent a risk factor for kidney disease 
D) Liberal protein intakes result in high urea production, which increases the long-term efficiency of the kidneys 
A) Low-protein diets increase the risk for kidney stone formation 
B) Restricting protein intake may slow the progression of kidney disease 
C) High protein intakes over the long term represent a risk factor for kidney disease 
D) Liberal protein intakes result in high urea production, which increases the long-term efficiency of the kidneys

Question 6

After a hamburger is eaten, in what organ is the hydrolysis of its proteins initiated?

Accepted Answer

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

Question 7

Dietary restriction of phenylalanine combined with adequate tyrosine is the usual treatment for people born with the disorder

Accepted Answer

A) DNA. 
B) ALC. 
C) NLM. 
D) PKU. 
A) DNA. 
B) ALC. 
C) NLM. 
D) PKU.

Question 8

Which of the following is an assumption made in the formulation of the RDA for protein?

Accepted Answer

A) Dietary protein is of high quality only 
B) Dietary protein is of animal origin only 
C) Dietary carbohydrate and fat intakes are adequate 
D) Dietary protein should represent 12% of total energy 
A) Dietary protein is of high quality only 
B) Dietary protein is of animal origin only 
C) Dietary carbohydrate and fat intakes are adequate 
D) Dietary protein should represent 12% of total energy

Question 9

What is the Daily Value for protein based on a 2000-kcalorie intake?

Accepted Answer

A) 25 g 
B) 50 g 
C) 75 g 
D) 100 g 
A) 25 g 
B) 50 g 
C) 75 g 
D) 100 g

Question 10

If a person consumes 65 grams of protein and a total of 2700 kcalories per day, approximately what percentage of energy would be derived from protein?

Accepted Answer

A) 7 
B) 10 
C) 14 
D) 20 
A) 7 
B) 10 
C) 14 
D) 20

Question 11

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 g/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 g/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 12

What is meant by protein turnover?

Accepted Answer

A) Nitrogen equilibrium 
B) The antibody-antigen complex 
C) The synthesis and degradation of body proteins 
D) The secondary structure of proteins that initiates folding 
A) Nitrogen equilibrium 
B) The antibody-antigen complex 
C) The synthesis and degradation of body proteins 
D) The secondary structure of proteins that initiates folding

Question 13

What primary factor governs the quality of a food protein?

Accepted Answer

A) Fat content 
B) Essential amino acid content 
C) Complex carbohydrate content 
D) Nonessential amino acid content 
A) Fat content 
B) Essential amino acid content 
C) Complex carbohydrate content 
D) Nonessential amino acid content

Question 14

What type of protein would the body make in order to heal a wound?

Accepted Answer

A) Ferritin 
B) Albumin 
C) Collagen 
D) Hemoglobin 
A) Ferritin 
B) Albumin 
C) Collagen 
D) Hemoglobin

Question 15

What process results in the hardening of an egg when it is exposed to heat?

Accepted Answer

A) Solidification 
B) Denaturation 
C) Condensation 
D) Protein interaction 
A) Solidification 
B) Denaturation 
C) Condensation 
D) Protein interaction

Question 16

Your cousin Wanda was born with a genetic defect affecting her digestion, namely, a lack of intestinal villus tripeptidases and dipeptidases.Which of the following digestive processes would not take place?

Accepted Answer

A) Protein → oligopeptides 
B) Peptides → amino acids 
C) Amino acids → peptides 
D) Polypeptides → tripeptides 
A) Protein → oligopeptides 
B) Peptides → amino acids 
C) Amino acids → peptides 
D) Polypeptides → tripeptides

Question 17

Approximately how many grams of protein are found in one quart of milk?

Accepted Answer

A) 5 
B) 12 
C) 25 
D) 32 
A) 5 
B) 12 
C) 25 
D) 32

Question 18

Which of the following describes a relationship between protein intake and calcium metabolism?

Accepted Answer

A) Calcium excretion falls with increasing intake of animal-derived proteins 
B) Calcium excretion rises with increasing intake of animal-derived proteins 
C) Calcium absorption declines with higher intakes of plant-derived proteins 
D) Calcium absorption increases with higher intakes of animal-derived proteins 
A) Calcium excretion falls with increasing intake of animal-derived proteins 
B) Calcium excretion rises with increasing intake of animal-derived proteins 
C) Calcium absorption declines with higher intakes of plant-derived proteins 
D) Calcium absorption increases with higher intakes of animal-derived proteins

Question 19

All of the following assumptions are made by the committee in setting the RDA for protein except

Accepted Answer

A) adequate kcalories will be consumed. 
B) protein eaten will be of mixed quality. 
C) the fat content of the diet will be high. 
D) other nutrients in the diet will be adequate. 
A) adequate kcalories will be consumed. 
B) protein eaten will be of mixed quality. 
C) the fat content of the diet will be high. 
D) other nutrients in the diet will be adequate.

Question 20

Supplements of which of the following amino acids are reported to lower blood pressure and reduce homocysteine levels?

Accepted Answer

A) Arginine 
B) Cysteine 
C) Tryptophan 
D) Phenylalanine 
A) Arginine 
B) Cysteine 
C) Tryptophan 
D) Phenylalanine

Exam 6: Protein: Amino Acids

If protein needs are expressed per kilogram of body weight, which of the following describes the requirements of infants?

What is meant by the amino acid sequence of a protein?

Which of the following is a feature of the protein RDA?

Of the following sources of amino acids, which would be best absorbed in normal, healthy people?

Which of the following describes an association between protein intake and kidney function?

After a hamburger is eaten, in what organ is the hydrolysis of its proteins initiated?

Dietary restriction of phenylalanine combined with adequate tyrosine is the usual treatment for people born with the disorder

Which of the following is an assumption made in the formulation of the RDA for protein?

What is the Daily Value for protein based on a 2000-kcalorie intake?

If a person consumes 65 grams of protein and a total of 2700 kcalories per day, approximately what percentage of energy would be derived from protein?

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

What is meant by protein turnover?

What primary factor governs the quality of a food protein?

What type of protein would the body make in order to heal a wound?

What process results in the hardening of an egg when it is exposed to heat?

Your cousin Wanda was born with a genetic defect affecting her digestion, namely, a lack of intestinal villus tripeptidases and dipeptidases.Which of the following digestive processes would not take place?

Approximately how many grams of protein are found in one quart of milk?

Which of the following describes a relationship between protein intake and calcium metabolism?

All of the following assumptions are made by the committee in setting the RDA for protein except

Supplements of which of the following amino acids are reported to lower blood pressure and reduce homocysteine levels?

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

Filters