Cooking a food in liberal amounts of water is least likely to affect the vitamin content of
Which of the following vitamins is involved substantially in energy transformation reactions?
Which of the following food groups ordinarily contains the highest amount of riboflavin when expressed per kcalorie?
A deficiency of what vitamin produces a characteristic cracking and redness at the corners of the mouth?
Which of the following nutrients functions to prevent the appearance of a bilateral, symmetrical dermatitis, primarily on areas exposed to the sun?
A low-protein diet in which corn is a principal food has been found to cause a deficiency of what vitamin?
What vitamin deficiency disease appeared in people who had subsisted on a diet high in corn and low in protein?
While researching your southern family history, you find that your grandmother had a sister who died fairly young. The symptoms leading up to her death included diarrhea, dermatitis, and dementia. Because the family led a poor, corn-farming existence, you suspect this relative died of
When taken in large doses, which of the following vitamins is associated with liver injury and peptic ulcers?
Features of biotin in nutrition include all of the following except
a deficiency can be induced by ingesting large amounts of thiamin and folic acid, which interfere with its absorption
Among the following compounds that serve as coenzymes in metabolism, which is considered a vitamin for human beings?
A common drug for the treatment of tuberculosis is known to markedly interfere in the metabolism of vitamin
Which of the following statements reflects our knowledge of water-soluble vitamin toxicity?
Toxicity symptoms for vitamin B6 can be severe and irreversible
In what major way does alcohol intake affect vitamin B6 metabolism?
It dislodges the PLP coenzyme from its enzyme
All of the following are properties of folate in nutrition except
it functions primarily in the transfer of amino groups.
Which of the following vitamins is usually found in a form that is bound to one or more glutamic acid molecules in food?
A person with a disorder that limits absorption of bile is at increased risk for deficiency of
A deficiency of which of the following vitamins results in accumulation of homocysteine in the blood?
The appearance of vitamin B12 deficiency symptoms may be delayed due to high intake of supplements of
What vitamin is involved mainly with the replacement of red blood cells and digestive tract cells?
Physiological stresses such as blood loss, burns, measles, and cancer are known particularly to increase the risk of deficiency for
The absorption of which of the following vitamins is most affected by the disorder atrophic gastritis?
People with the condition known as iron overload may be adversely affected from taking supplements of