61.Bob is a competitive body builder. His trainer suggested that he consume 4 egg white omelets per day, but he remembers a warning about a possible vitamin deficiency from consuming too many egg whites. What advice would you provide to Bob?

a.He should not be concerned as long as he consumes both the yolk and whites of the eggs.

b.He should not follow the diet, since the avidin in the egg whites could bind to niacin and prevent its absorption.

c.He should not follow the diet, since the avidin in the egg whites could bind to biotin and prevent its absorption.

d.He should not be concerned, because, when the eggs are cooked, the avidin protein is denatured, and thus does not pose a problem for deficiency disease.

62.Symptoms of biotin deficiency include an inability to walk and which one of the following problems?

a.hyperglycemia

b.numbness

c.leg cramps

d.diarrhea

63.Which of the following compounds that serve as coenzymes in metabolism is considered a vitamin for human beings?

a.biotin

b.inositol

c.lipoic acid

d.orotic acid

64.Which of the following foods contains a protein that decreases bioavailability of biotin?

a.aged wine

b.aged cheese

c.raw egg whites

d.raw cauliflower

65.A protein that binds with biotin (thus inhibiting absorption) is found in which of the following foods?

a.aged cheese

b.raw egg whites

c.whole wheat bread

d.unhomogenized milk

66.Which of the following vitamins is synthesized by intestinal bacteria?

a.folate

b.biotin

c.cyanocobalamin

d.pantothenic acid

67.Biotin can be synthesized by which of the following body components?

a.the blood

b.the skin

c.the liver

d.intestinal bacteria

68.What is the adult Adequate Intake for biotin?

a.3 µg

b.30 µg

c.13 µg

d.33 µg

69.Which of the following vitamins forms a part of coenzyme A?

a.biotin

b.folate

c.riboflavin

d.pantothenic acid

70.Which of the following amounts is the AI for pantothenic acid for adults?

a.1 mg

b.3 mg

c.5 mg

d.8 mg