Which of the following foods is highest in folate?
a. Meats
b. Starches
c. Dairy products
d. Green, leafy vegetables
e. Fruits
Q. 2A deficiency of which of the following vitamins results in accumulation of homocysteine in the blood?
a. Folate
b. Biotin
c. Niacin
d. Vitamin K
e. Vitamin C
Q. 3What vitamin contains cobalt?
a. A
b. B6
c. B12
d. Pantothenic acid
e. Ascorbic acid
Q. 4What vitamin is involved mainly with the replacement of red blood cells and digestive tract cells?
a. Folate
b. Niacin
c. Thiamin
d. Riboflavin
e. Choline
Q. 5Which of the following is representative of folate availability in foods?
a. Good sources are dairy products and meats.
b. Poor sources are fruit juices and vegetable juices.
c. Much of the vitamin is lost due to heat and oxidation.
d. Only about 10 of the amount in foods is bioavailable.
e. Legumes, nuts, and seeds have very little folate.
Q. 6Research has shown that the risk for neural tube defects is lowered by taking supplements of
a. niacin.
b. folate.
c. vitamin C.
d. vitamin B12.
e. thiamin.
Q. 7A person with a disorder that limits absorption of bile is at increased risk for deficiency of
a. folate.
b. niacin.
c. riboflavin.
d. ascorbic acid.
e. pantothenic acid
Q. 8Which of the following is true regarding B vitamins and homocysteine metabolism?
a. Folate catabolyzes homocysteine
b. Biotin supplements reduce blood homocysteine levels
c. Excessive homocysteine intake reduces vitamin B12 absorption
d. High blood homocysteine levels correlate with reduced incidence of colon cancer
e. High folate levels are necessary for the synthesis of homocysteine
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