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Which of the following is required for the absorption of dietary vitamin B12?


A) bile
B) lipase
C) intrinsic factor
D) carboxypeptidase

E) C) and D)
F) A) and D)

Correct Answer

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Pteroylglutamic acid is known as which of the following?


A) folate
B) choline
C) inositol
D) pyridoxamine

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

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Which is the most common cause of iodine deficiency?


A) insufficient intake of iodine from foods
B) over-consumption of other trace elements
C) over-consumption of anti-thyroid substances
D) pituitary deficiencies of thyroid-stimulating hormone

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

Correct Answer

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What is the adult RDA for iodine?


A) 45 µg
B) 100 µg
C) 150 µg
D) 225 µg

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

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MATCHING a.Pork b.Corn c.Dairy d.Folate e.Biotin f.Niacin g.Chromium h.Anemia i.Brewer's yeast j.Beriberi k.Goitre l.Riboflavin m.Vitamin B6 n.Vitamin B12 o.Tryptophan p.Liver q.Tea r.Intrinsic factor s.Ultraviolet light t.Pantothenic acid -Prevention of neural tube defects is related to increased intake of this substance by pregnant women

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Your friend Jane just returned from the doctor who diagnosed her with a specific vitamin B toxicity. However, she doesn't recall the name of the vitamin. Which of the following is the only possible culprit associated with toxicity symptoms?


A) niacin
B) biotin
C) riboflavin
D) vitamin B12

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

Correct Answer

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Pernicious anemia results from a deficiency of which of the following nutrients?


A) folate
B) selenium
C) vitamin B12
D) iron and copper

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

Correct Answer

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Which of the following is the major form of niacin in the blood?


A) nicotene
B) nicotinic acid
C) niacin phosphate
D) nicotinamide

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

Correct Answer

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Pernicious anemia results from a combination of lack of intrinsic factor and which of the following situations?


A) pharmacologic intakes of cobalamin
B) lack of hydrochloric acid
C) lack of pancreatic vitaminases
D) pharmacologic intakes of folate

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

Correct Answer

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Which of the following is associated with a deficiency of folate?


A) hemolysis
B) hypoxemia
C) hemolytic anemia
D) macrocytic anemia

E) A) and D)
F) A) and C)

Correct Answer

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Which of the following explains why B vitamin deficiencies lead to lack of energy?


A) B vitamins are a source of kilocalories.
B) Absorption of carbohydrates and fats is decreased.
C) Oxygen for energy metabolism cannot be transported to the cells.
D) Coenzymes needed for energy metabolism are produced in insufficient amounts.

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

Correct Answer

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Which of the following signs can be indicative of a dietary deficiency of riboflavin?


A) dehydration
B) diarrhea
C) keratomalacia
D) inflamed mouth membranes

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

Correct Answer

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Which of the following is among the common signs of pellagra?


A) dehydration
B) dementia
C) dysphagia
D) desiccation

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

Correct Answer

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Which of the following beverages contributes to the destruction and loss of vitamin B6 from the body?


A) tea and coffee
B) soy milk
C) fruit juice
D) alcohol

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

Correct Answer

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A low-protein diet in which corn is a principal food has been found to cause a deficiency of which of the following vitamins?


A) niacin
B) thiamin
C) vitamin C
D) vitamin B12

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

Correct Answer

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MATCHING a.Pork b.Corn c.Dairy d.Folate e.Biotin f.Niacin g.Chromium h.Anemia i.Brewer's yeast j.Beriberi k.Goitre l.Riboflavin m.Vitamin B6 n.Vitamin B12 o.Tryptophan p.Liver q.Tea r.Intrinsic factor s.Ultraviolet light t.Pantothenic acid -Required for absorption of vitamin B12

Correct Answer

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In general, research has demonstrated that foods that contain folate probably reduce the risk of which one of the following cancers?


A) skin cancer
B) liver cancer
C) lung cancer
D) pancreatic cancer

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

Correct Answer

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Suzanne has a bowl of iron-enriched cereal for breakfast. Which of the following beverages will help her to best absorb the iron from the cereal?


A) milk
B) orange juice
C) tea
D) prune juice

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

Correct Answer

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Diagram the metabolic pathways that involve participation of B vitamins.

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B vitamins are essential for various met...

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Discuss the concept of vitamin-like compounds, and list the compounds mentioned in the textbook.

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Vitamin-like compounds are substances th...

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