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What type of diet is advised to rehabilitate a severely malnourished child?


A) low protein
B) high protein
C) liberal quantities of lactose-free powdered milk until growth rate is restored
D) high energy until normal body mass index is achieved, then moderate energy thereafter

E) A) and B)
F) B) and C)

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Which of the following proteins inactivates foreign bacteria and viruses?


A) enzymes
B) collagen
C) hormones
D) antibodies

E) B) and C)
F) All of the above

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Discuss the use and misuse of protein and amino acid supplements in athletes and in the general population.

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Explain how SNPs are involved in gene expression, especially in relation to a person's blood lipid profile.

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What is the chief function of pepsin?


A) to emulsify dietary proteins
B) to activate hydrochloric acid
C) to activate pancreatic proteases
D) to cleave proteins into smaller polypeptides

E) B) and C)
F) All of the above

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What is the name of the inactive form of the protein-splitting enzyme in the stomach?


A) peptidase
B) peptic acid
C) pepsinogen
D) propeptidase

E) B) and C)
F) B) and D)

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Alberta is a 20 year old who has been a vegetarian for 3 years. She comes to you for advice regarding a statement by the Meat Promoters of America organization: "... vegetarians are at risk for protein deficiency because they cannot consume all of the essential amino acids necessary for healthy individuals." Which of the following would be the best advice for Alberta?


A) She should consume dairy and egg products at every meal to ensure that she meets her essential amino acid needs.
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 individual foods do not provide all the essential amino acids, she could consume complementary proteins throughout the day to receive all the essential amino acids she needs.

E) B) and D)
F) A) and D)

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Which of the following best represents the study of the body's proteins?


A) It is known as proteomics.
B) All proteins of the proteome participate in the same basic functions.
C) Most of the body's thousands of proteins have been studied and characterized.
D) An individual's genetic code changes across their lifecycle.

E) None of the above
F) B) and C)

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MATCHING a.Soy b.Urea c.Pepsin d.Lysine e.Gelatin f.Alanine g.Insulin h.Infection i.Tyrosine j.Collagen k.Denatured l.Ribosome m.Enzyme n.Kwashiorkor o.Pregnancy p.Interstitial q.Hemoglobin r.Hydrophobic s.Homocysteine t.Intravascular -A conditionally essential amino acid

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MATCHING a.Soy b.Urea c.Pepsin d.Lysine e.Gelatin f.Alanine g.Insulin h.Infection i.Tyrosine j.Collagen k.Denatured l.Ribosome m.Enzyme n.Kwashiorkor o.Pregnancy p.Interstitial q.Hemoglobin r.Hydrophobic s.Homocysteine t.Intravascular -A cell structure where protein synthesis takes place

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Explain the differences among amino acids that are classified as essential, nonessential, or conditionally essential.

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


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

E) A) and B)
F) A) and C)

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Which of the following animal-derived proteins is classified as a poor-quality protein?


A) fish
B) cheese
C) gelatin
D) turkey

E) None of the above
F) B) and D)

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What is the ratio of calcium to protein intake (mg:g) for mostNorth American. women?


A) 3:1
B) 9:1
C) 15:1
D) 21:1

E) B) and C)
F) A) and B)

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What is the usual fate of orally ingested enzyme supplements?


A) digestion by gastrointestinal proteases
B) rapid degradation by salivary secretions
C) nearly complete absorption in original form from stomach
D) complete absorption in original form from jejunum

E) A) and B)
F) All of the above

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


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

E) None of the above
F) C) and D)

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The body's usual response to detection of antigens is to synthesize which of the following?


A) thyroxin
B) antibodies
C) erythrocytes
D) ammonia

E) None of the above
F) A) and B)

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Why are red blood cells altered in shape in sickle-cell anemia?


A) Iron is no longer present within the haemoglobin molecule.
B) Haemoglobin is missing two of its polypeptide chains.
C) Lack of oxygen interferes with haemoglobin replication.
D) The amino acid sequence is abnormal in two of the polypeptide chains.

E) A) and B)
F) A) and C)

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Discuss the characteristics of protein-energy malnutrition, including risk factors, signs and symptoms, prevention, and treatment.

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How is an essential amino acid distinguished from a non-essential amino acid??


A) It has a branched chain in its side group.
B) It can be made in the body only if a source of nitrogen is present.
C) It is required by the brain..
D) It must be supplied by the diet.

E) A) and B)
F) None of the above

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Showing 161 - 180 of 217

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