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The body can produce niacin from the amino acid


A) alanine.
B) phenylalanine.
C) tryptophan.
D) tyrosine.

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

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The vitamin required specifically in carbohydrate metabolism is


A) folate.
B) niacin.
C) riboflavin.
D) thiamin.

E) None of the above
F) All of the above

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A deficiency of _______ results in impaired glucose tolerance and elevated blood cholesterol.


A) thiamin
B) iodine
C) chromium
D) biotin

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

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Thiamin is distributed in small amounts in many foods.The most nutrient-dense source of thiamin is


A) milk.
B) pork.
C) whole grain cereals.
D) dark green vegetables.

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

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The vitamin that aids in activating fatty acids so they can yield energy is


A) pantothenic acid.
B) biotin.
C) vitamin B-6.
D) thiamin.

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

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A severe iodine deficiency during early pregnancy may result in an infant afflicted with


A) scurvy.
B) rickets.
C) congenital hypothyroidism.
D) xerophthalmia.

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

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A goiter may form as a consequence of an inadequate intake of


A) copper.
B) magnesium.
C) sodium.
D) iodine.

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

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Because B vitamins are ______,very little is stored and excess intakes end up in the urine or stool.


A) non-toxic
B) dissolvable
C) fat soluble
D) water soluble

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

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