Which of the following is a feature of vitamins? |
d |
What is a precursor? |
c |
What is meant by the bioavailability of a vitamin in food? |
b |
Milk and milk products provide much of the ____ in people’s diets. a. Thiamin |
c |
What is the primary excretory route for the water-soluble vitamins? |
b |
What is a chief function of the B vitamins? a. Antioxidation |
d |
Which of the following functions has a requirement for thiamin? a. Blood coagulation |
c |
Which of the following is the coenzyme form of thiamin? a. Thiaminacide |
b |
Beriberi results from a deficiency of a. niacin. |
b |
Which of the following diets is most likely to lead to beriberi? |
a |
The Wernicke-Korsakoff syndrome may be treated with supplements of a. folacin. |
b |
Which of the following is a characteristic of thiamin nutrition? a. It contains pyrosulfate. |
d |
Which of the following provides the most thiamin per serving size? a. Ham |
a |
How does the method of cooking affect thiamin stability? |
a |
Which of the following contains the highest concentration of thiamin? a. Pork |
a |
Which of the following is indicative of a dietary deficiency of riboflavin? a. Beriberi |
d |
Which of the following contains the highest amount of riboflavin when expressed per kcalorie? a. Cheddar cheese |
d |
The signs and symptoms of riboflavin deficiency are known collectively as a. pellagra. |
c |
Riboflavin needs are more difficult to meet when the diet is low in a. meats. |
d |
The coenzyme FAD is formed from what vitamin? a. Niacin |
d |
Of the following commonly eaten foods, which makes the greatest contribution to riboflavin intake? a. Milk |
a |
A deficiency of what vitamin produces a characteristic cracking and redness at the corners of the mouth? |
c |
Which of the following is a property of riboflavin in nutrition? a. Stability to heat is good. |
a |
Which of the following is a property of niacin in nutrition? |
d |
When the diet contains an adequate amount of protein, what amino acid can be used by the body to synthesize niacin? |
c |
Which of the following nutrients functions to prevent the appearance of a bilateral, symmetrical dermatitis, primarily on areas exposed to the sun? |
a |
What vitamin deficiency disease appeared in people who had subsisted on a diet high in corn and low in protein? |
b |
Which of the following overt side effect(s) is likely to appear after a person ingests a high quantity of nicotinic acid? |
b |
Which of the following is a feature of niacin nutrition? |
b |
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? |
a |
Among the following, which would be the best source of niacin equivalents? a. Milk |
c |
Which of the following is a feature of pantothenic acid in nutrition? a. Absorption from foods is inhibited by aspirin. |
d |
Which of the following foods contains a protein that decreases bioavailability of biotin? a. Aged wine |
c |
Biotin can be synthesized by a. avidin. |
d |
Which of the following vitamins is known to sustain substantial losses during processing of food? a. Biotin |
d |
Which of the following vitamins is stored primarily in muscle tissue? a. Biotin |
c |
What vitamin is involved intensively in amino acid metabolism? a. Biotin |
c |
A common drug for the treatment of tuberculosis is known to markedly interfere in the metabolism of vitamin |
b |
Irreversible nerve damage has been reported in people taking large doses of vitamin a. B1. |
c |
In what major way does alcohol intake affect vitamin a. It reduces acetaldehyde formation. |
c |
On a per-kcalorie basis, which of the following foods a. Meats |
b |
Pteroylglutamic acid is known as a. folate. |
a |
Which of the following vitamins undergoes significant enterohepatic circulation? a. Folate |
a |
Which of the following vitamins is usually found in a form that is bound to one or more pteroylglutamic acid molecules in food? |
a |
A person with a disorder that limits absorption of bile is at increased risk for deficiency of a. folate. |
a |
Research has shown that the risk for neural tube defects is lowered by taking supplements of a. niacin. |
b |
Which of the following is true regarding B vitamins and homocysteine metabolism? a. Folate catabolyzes homocysteine |
a |
What vitamin contains cobalt? |
c |
A deficiency of which of the following vitamins results in accumulation of homocysteine in the blood? |
a |
What vitamin is involved mainly with the replacement of red blood cells and digestive tract cells? a. Folate |
a |
Which of the following is representative of folate availability in foods? a. Good sources are dairy products and meats. |
c |
Which of the following foods is highest in folate? a. Meats |
d |
What is the most likely reason for the development of a vitamin B12 deficiency? a. Inadequate intake |
c |
Pernicious anemia results from a deficiency of |
c |
The absorption of which of the following vitamins is most affected by the disorder atrophic gastritis? |
c |
Normally, the body’s storage and re-utilization of vitamin B12 prevents a primary or secondary deficiency from occurring until after about |
e |
Of the following foods, which would be the only source of vitamin B12? a. Pecans |
b |
Which of the following vitamins has an RDA? a. Biotin |
c |
Which of the following is a feature of choline in nutrition? a. It is an analog of ascorbic acid. |
d |
What is a free radical? |
d |
Which of the following is a general function of vitamin C? a. Antiviral agent |
d |
The synthesis of collagen requires both vitamin C and a. iron. |
a |
What organ stores the highest concentration of vitamin C? a. Liver |
d |
Why might vitamin C supplements be beneficial in treating the common cold? a. They deactivate histamine. |
a |
Which of the following is an early sign of vitamin C deficiency? a. Bleeding gums |
a |
Which of the following food groups is a rich source of vitamin C? a. Milk group |
a |
Which of the following would be a very good source of vitamin C for the lacto-ovo-vegetarian? a. Milk |
c |
Approximately what percentage of the U.S. population takes a multivitamin-mineral supplement regularly? |
d |
What nutrient is responsible for causing the most accidental ingestion deaths in children? a. Iron |
a |
If a dietary supplement poses a significant risk of illness to consumers, what agency must prove harm before removing the product from the market? |
a |
Nutrition Chapter 10 – Study Questions
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