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Exam 4 Nutr. Review

STUDY
PLAY
Cooking a food in liberal amounts of water is least likely to affect the vitamin content of
vitamin A
Which of the following vitamins would be removed in the production of skim milk?
Vitamin A
Which of the following is the coenzyme form of thiamin?
Thiamin pyrophosphate
Beriberi results from a deficiency of
thiamin.
The Wernicke-Korsakoff syndrome may be treated with supplements of
thiamin
Of the following, which is the richest food source of thiamin?
soy milk
Which of the following vitamins is involved substantially in energy transformation reactions?
Riboflavin
Which of the following food groups ordinarily contains the highest amount of riboflavin when expressed per kcalorie?
Vegetables
The coenzyme FAD is formed from what vitamin?
Riboflavin
Milk and milk products provide liberal amounts of which of the following vitamins?
Riboflavin
A deficiency of what vitamin produces a characteristic cracking and redness at the corners of the mouth?
Riboflavin
Which of the following nutrients functions to prevent the appearance of a bilateral, symmetrical dermatitis, primarily on areas exposed to the sun?
Niacin
A low-protein diet in which corn is a principal food has been found to cause a deficiency of what vitamin?
Niacin
What vitamin deficiency disease appeared in people who had subsisted on a diet high in corn and low in protein?
Pellagra
Tryptophan can be used in the body to synthesize
niacin
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
pellagra.
When taken in large doses, which of the following vitamins is associated with liver injury and peptic ulcers?
Niacin
Among the following, which would be the best source of niacin equivalents?
Chicken
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?
Biotin
Which of the following vitamins is synthesized by intestinal bacteria?
Biotin
Which of the following vitamins is stored primarily in muscle tissue?
Vitamin B6
What vitamin is involved intensively in amino acid metabolism?
Vitamin B6
What is the Tolerable Upper Intake Level for vitamin B6?
100 mg
A common drug for the treatment of tuberculosis is known to markedly interfere in the metabolism of vitamin
B6
Irreversible nerve damage has been reported in people taking large doses of
B6
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
What is the adult RDA for vitamin B6?
1.3 mg
On a per-kcalorie basis, which of the following foods is richest in vitamin B6?
Vegetables
Which of the following is an essential nutrient for human beings?
folate
Pteroylglutamic acid is known as
folate.
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 undergoes significant enterohepatic circulation?
Folate
Which of the following vitamins is usually found in a form that is bound to one or more glutamic acid molecules in food?
Folate
A person with a disorder that limits absorption of bile is at increased risk for deficiency of
folate
A deficiency of which of the following vitamins results in accumulation of homocysteine in the blood?
folate
The appearance of vitamin B12 deficiency symptoms may be delayed due to high intake of supplements of
folate
What vitamin is involved mainly with the replacement of red blood cells and digestive tract cells?
folate
Physiological stresses such as blood loss, burns, measles, and cancer are known particularly to increase the risk of deficiency for
folate
Pernicious anemia results from a deficiency of
vitamin B12.
The absorption of which of the following vitamins is most affected by the disorder atrophic gastritis?
Vitamin B12
Which of the following is a property of vitamin B12?
It is efficiently recycled by the body
Which of the following vitamins has an RDA?
Cobalamin
Which of the following is known to perform an essential function in the human body?
Carnitine
People with the condition known as iron overload may be adversely affected from taking supplements of
ascorbic acid.
Which of the following food groups is a rich source of vitamin C?
fruit group