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50 terms

Nutrition Exam 4

The amount absorbed and subsequently used by the body
What is meant by the Bioavailability of a vitamin in food?
Excesses are eliminated from the kidneys
Which of the Following is NOT a general characteristic of the fat-soluble vitamins?
Vitamin A
Cooking a food in liberal amounts of water is LEAST likely to affect the vitamin content of?
Excreted primarily in the Urine
When thiamin is consumed in excess of needs, how does the body treat the excess?
Coenzyme participation
What is the primary function of B Vitamins?
Coenzymes needed for energy metabolism are produced in insufficient amounts
Which of the following explains why B vitamin deficiencies lead to lack of energy?
energy release from energy-yielding nutrients
Which of the following functions has a requirement for thiamin?
The Wernicke-Korsakoff syndrome, which is often observed in poorly nourished alcohol abusers, is known to respond to supplements of?
The coenzyme FAD is formed from what Vitamin?
The signs and symptoms of Riboflavin deficiency are known collectively as
ultraviolet light
Riboflavin is most easily destroyed when exposed to
Which of the following nutrients functions to prevent the appearance of a bilateral, symmetrical dermatitis, primarily on areas exposed to the sun?
When the diet contains an adequate amount of protein, what amino acid can be used by the body to synthesize niacin?
What vitamin deficiency disease appeared in people who had substituted on a diet high in corn and low in protein?
Which of the following is NOT among the common signs of pellagra?
Niacin flush
What is the term that identifies the characteristic tingling sensations and reddening of the skin after ingesting a pharmacological dose of nictonic acid?
High doses may lower blood cholesterol
Which of the following is a feature of Niacin nutrition?
Among the following compounds that serve as coenzymes in metabolism, which is considered a vitamin for human beings?
Raw egg whites
A protein that binds with biotin (thus inhibiting absorption) is found in which food?
Intestinal bacteria
Biotin can be synthesized by
Research has shown that the risk for neural tube defects is lowered by taking supplements of
Macrocytic anemia
Which of the following is associated with a deficiency of folate?
It attaches to the vitamin thereby allowing absorption from the Intestines
What is the function of intrinsic factor in vitamin b12 absorption?
Vitamin B12 or Folate
A similar type of anemia is produced when there is a deficiency of either
Hot dog
Of the following foods, which would be the only source of vitamin B12
The PROTEIN that requires ascorbic acid for its formation is
Subcutaneous pinpoint hemorrhages
Which of the following symptoms is indicative of a deficiency of vitamin C?
What is the major carrier of the fat-soluble vitamins from the intestinal epithelial cell to the circulation?
Which of the following is NOT a fat-soluble vitamin?
Blood clotting
As far as known, Vitamin A does NOT play an important role in which of the following processes?
Which of the following substances is converted to Vitamin A in the body?
Which of the following is most likely to occur from a prolonged dietary deficiency of Vitamin A?
deficiency of Vitamin A
Keratinization is the result of
consuming high-dose Vitamin A supplements
Which of the following is likely to induce vitamin A toxicity in adults?
All of the following are good sources of Vitamin A, EXCEPT...
Which of the following compounds serves as the major precursor for the body's synthesis of Vitamin D?
Outdoor exposure of the skin to sunlight
Which of the following enables much of the world's population to maintain adequate Vitamin D status?
Liver and Kidney
In what tissues must a molecule of Vitamin D be chemically altered to yield a compound that is fully active?
What is the name of Vitamin D-deficiency disease in adults?
In what system would the effects of vitamin D deficiency be most readily observed?
Bowed Legs
Which of the following symptoms would indicate a vitamin D deficiency?
Osteomalacia and rickets
Which of the following conditions or diseases are known to be caused by a deficiency of the same nutrient?
The main function of Vitamin E in the body is to be a(n)
Erythrocyte hemolysis
Which of the following disorders may result from vitamin E deficiency in people?
Blood Clotting
In what chief capacity does Vitamin K function?
Both are synthesized in the body
Which of the following properties do Vitamin D and K share?
What population group has the highest risk for vitamin K deficiency?
The major form of Vitamin K in foods is known as
Vitamin K
Which of the following vitamins is synthesized by intestinal bacteria?
Vitamin K
Which Vitamin is routinely given as a single dose to newborns?