What is a precursor? - A substance that is used to synthesize another compound.
What is a chief function of the B vitamins? - Coenzyme participation
Whic... [Show More] h of the following diets is most likely to lead to beriberi? - High intakes of white rice
A deficiency of what vitamin produces a characteristic cracking and redness at the corners of the
mouth? - Riboflavin
When the diet contains an adequate amount of protein, what amino acid can be used by the body to
synthesize niacin? - Tryptophan
Which of the following is a feature of niacin nutrition? - High doses may lower blood cholesterol.
Which of the following is a feature of pantothenic acid in nutrition? - It functions in the metabolism of
amino acids, glucose, and fatty acids.
Biotin can be synthesized by - intestinal bacteria
A common drug for the treatment of tuberculosis is known to markedly interfere in the metabolism of
vitamin - B6
Research has shown that the risk for neural tube defects is lowered by taking supplements of - folate
What vitamin is involved mainly with the replacement of red blood cells and digestive tract cells? - folate
What is the most likely reason for development of a vitamin B12 deficiency? - Inadequate absorptionThe absorption of which of the following vitamins is most affected by the disorder atrophic gastritis? -
Which of the following is a feature of choline in nutrition? - Average intakes in the United States are
lower than recommended.
The synthesis of collagen requires both vitamin C and - iron
Which of the following is an early sign of vitamin C deficiency? - Bleeding gums
Which of the following food groups is a rich source of vitamin C? - Fruit Groups
Which of the following food substances can be converted to vitamin A in the body? - Beta-carotene.
Which of the following describes the primary function of vitamin A in bone health? - It assists enzymes
that degrade certain regions of the bone, thereby allowing remodeling to occur.
Why does vitamin A status depend on the person's protein status? - Transport of the vitamin within the
body requires sufficient protein to synthesize retinol-binding protein.
The main function of vitamin D is to promote [Show Less]