Term
The bioavailability of a vitamin is not influenced by |
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Definition
The cost of the food product |
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Term
In order to minimize loss of vitamins during food preparation one might |
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Definition
refrigerate fresh food and vegetables |
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Term
which of the following statement is false with respect to fat-soluble vitamins |
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Definition
no toxic effect can occur since they are typically excreted in the urine |
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Term
Alcoholics are at an increased risk to have a |
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Definition
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Term
Symptoms associated with riboflavin deficiency include |
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Definition
cracks at the corners of the mouth |
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Term
Biotin plays a critical factor in the metabolic pathway of which compound |
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Definition
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Term
Which B vitamin coenzyme plays a role in the synthesis of heme, nucleic acids and lecithin |
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Definition
pyridoxal phosphate (PPL) |
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Term
Which B vitamin is necessary for the conversion of vitamin B12 to an active coenzyme form |
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Definition
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Term
Symptoms associated with scurvy |
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Definition
can be resolved with adequate amounts of vitamin c |
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Term
flushing of the skin can be associated with the ingestion of |
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Definition
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Term
When the diet contains an adequate amount of protein, what amino acid can be used by the body to synthesize niacin |
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Definition
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Term
what is a chief function of the B vitamin |
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Definition
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Term
which of the following is NOT among the general characteristics of the water-soluble vitamins |
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Definition
they are absorbed directly into the blood |
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Term
The absorption of which of the following vitamins is most affected by the disorder atrophic gastritis |
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Definition
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Term
Which of the following explains why B vitamin deficiencies lead to lack of energy |
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Definition
coenzymes needed for energy metabolism are produced in insufficient amounts |
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Term
which of the following is NOT among the common signs of pellagra |
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Definition
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Term
The Wernicke-Korsakoff syndrome may be treated with supplements of |
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Definition
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Term
Research has shown that the risk for neutral tube defects is lowered by taking supplements of |
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Definition
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Term
The sign and symptoms of riboflavin deficiency are known collectively as |
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Definition
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Term
What vitamin forms a part of coenzyme A |
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Definition
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Term
The chief symptoms of early vitamin B6 deficiency include |
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Definition
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Term
Which of the following characteristics is shared by vitamin B12 and folate |
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Definition
both are required for nuclide acid synthesis |
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Term
Pernicious anemia results from a deficiency of |
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Definition
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Term
The protein that requires ascorbic acid for its formation is |
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Definition
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Term
Which of the following is an early sign of vitamin c deficiency |
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Definition
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Term
Your friend Jane just returned from the doctor, who diagnosed her with a specific vitamin B toxicity. However, she doesn't recall the name of the vitamin. Which of the following is the only possible culprit associated with toxicity symptoms |
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Definition
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Term
A deficiency of which of the following vitamins results in accumulation of homocysteine in the blood |
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Definition
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Term
Those groups who are at risk for developing marginal nutrient deficiencies and may benefit from taking vitamin supplements include |
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Definition
all the above (women of childbearing age and pregnant women, vegans, athletes who are engaged in intense competitive events, and people with low energy intakes such as habitual dieters and the elderly) |
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Term
Why shouldn't vitamin E supplements be taken for at least one week before surgery |
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Definition
vitamin E acts as a blood thinner and could lead to excessive bleeding |
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Term
The known dangers of taking vitamin supplements include all of the following EXCEPT |
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Definition
Pathogenic bacterial overgrowth of the large intestine leading to increased risk of infection |
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Term
There are certain groups of people that under certain circumstances should not take specific supplements identify which of the following is correct |
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Definition
all of the above (postmenopausal women should not take vitamin A supplements, smokers should not tale beta-carotene supplements, men and postmenopausal women should not take iron supplements) |
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Term
Which of the following describes the basic function of a coenzyme |
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Definition
attaches to an enzyme and allows a chemical reaction to take place |
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Term
Biotin can be synthesized by |
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Definition
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Term
What is the most likely reason for the development of a vitamin B12 deficiency |
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Definition
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