Which of the following is responsible for transporting vitamin A from the liver to other tissues? |
Retinol binding protein |
As fas as is know, vitamin A does not play an important role in which of the following processes? |
Blood clotting |
Which of the following is not among the features of the fat-soluble vitamins? |
Transported permanently to the liver and adipose tissue |
What is the major carrier of the fat-soluble vitamins from the intestinal epithelial cell to the circulation? |
Chylomicrons |
Which of the following is a property of the fat-soluble vitamins? |
Deficiency symptoms may take years to develop on a poor diet |
If the diet contains precursor vitamin A, which of the following tissues can use it to form vitamin A? |
Intestinal cells |
Which of the following food substances can be converted to vitamin A in the body? |
beta-carotene |
How many different forms of vitamin A are active in the body? |
3 |
All of the following are forms of vitamin A except |
retinoquinone |
What are the known effects of raising animals on diets containing retinoic acid as the only source of vitamin A? |
blindness develops |
Which of the following describes an association of vitamin A and vision? |
Light causes retinal to shift from a cis to a trans configuration |
Which of the following is the name of the vitamin A compound that is active in the visual response? |
Retinal |
Which of the following describes an event in the visual response process? |
Light energy strikes the retina and excites pigments to release retinal |
Approximately what percent of the body’s vitamin A stores are found in the liver? |
90 |
what tissue contains the majority of the body’s store of vitamin A? |
liver |
Which of the following describes the primary function of vitamin A in bone health? |
It assists enzymes that degrade certain regions of the bone thereby allowing remodeling to occur |
If a normal, healthy adult were to begin consuming a vitamin A- poor diet, approximately how much time would pass before the first deficiency symptoms would appear? |
1-2 years |
Approximately how many children worldwide have vitamin A deficiency? |
250 million |
Why does vitamin A status depend on the person’s protein status? |
Transport of the vitamin within the body requires sufficient protein to synthesize retinol-binding protein |
Studies in developing countries have demonstrated that the mortality rate of children with measles can be significantly reduced by providing supplements of |
vitamin A |
Which of the following functions is shared by beta-carotene and vitamin E? |
inhibition of oxidation |
The first detectable sign of vitamin A deficiency is usually |
night blindness |
Which of the following is associated with the condition known as xerosis? |
deficiency of vitamin A |
Vitamin A supplements are helpful in treating which of the following conditions? |
night blindness |
The effects of vitamin A deficiency are most severe in what population? |
Newborns |
Which of the following is most likely to occur from a prolonged dietary deficiency of vitamin A? |
xerophthalmis |
Keratinization is the result of |
deficiency of vitamin A |
What part of the body is affected most by keratomalacia? |
cornea |
Keratinization of lung cells may result from |
deficiency of vitamin A |
Which of the following features are shared by Retin-A and Accutane? |
They have chemical structures similar to vitamin A |
What population group is most vulnerable to vitamin A toxicity? |
children |
which of the following is a feature of taking high-dose supplements of vitamin A? |
They increase teratogenic risk |
The preferred unit of expression of vitamin A is |
the retinol activity equivalent |
Which of the following is a feature of Accutane? |
it is known to cause birth defects when used by pregnant women |
All of the following are characteristics of excess consumption of beta-carotene except |
smoking cigarettes aggravates the detrimental effects of supplements |
How many micrograms of dietary beta-carotene are equivalent to 1 retinol activity |
12 |
On average, one retinol activity equivalent is equal to about how many international units? |
3 |
Which of the following is the most likely side effect for a person who regularly consumes large quantities of carrots or carrot juice? |
Skin yellowing |
Why shouldn’t a 7-month pregnant woman be prescribed Accuatne? |
It is a teratogen and can be harmful to the baby |
In which of the following individuals would vitamin A toxicity be most likely to occur? |
Those taking vitamin A supplements |
To decreases risk for vitamin A toxicity-related birth defects, it is suggested that pregnant women limit vitamin A supplements to less than |
4 times the RDA |
The adult RDA for vitamin A is approximately |
800 retinol activity equivalents |
Which of the following is likely to induce vitamin A toxicity in adults? |
consuming high-dose vitamin A supplements |
Which of the following is a characteristic of carotenoids in foods? |
Carotenoid absorption efficiency from salads is higher when regular dressing is used compared with low-fat dressing |
Which of the following is a feature of vitamin A in foods? |
Chlorophyll in dark green leafy vegetables masks the presence of beta-carotene |
which of the following is a feature of carotenoids in foods? |
Absorption from the GI tract is blunted by consuming a salad with fat-free dressing |
A person seeking good sources of vitamin A would select all of the following except |
bananas |
Which of the following is a characteristic of vitamin A in foods? |
a regular intake of chicken liver is known to induce toxicity in children |
Which of the following provides the least amount of precursor vitamin A? |
corn |
The plant version of vitamin d is known as |
ergocalciferol |
The animal version of vitamin D is known as |
cholecalciferol |
All of the following organs are required for the complete synthesis of activated vitamin D except the |
intestines |
Which of the following shows the highest vitamin D activity? |
1,25-Dihydroxy vitamin D |
Which of the following compounds serves as the major precursor for the body’s synthesis of vitamin D? |
Cholesterol |
Which of the following can the body use to synthesize vitamin D? |
Exposure to sunlight |
In what tissues must a molecule of vitamin D be chemically altered to yield a compound that is fully active? |
liver and kidney |
All of the following are other names for vitamin D except |
calcitonin |
Which of the following compounds is known to function as a hormone? |
Vitamin D |
The major target organs for the action of activated vitamin D include all of the following except the |
liver |
What are the main functions of vitamin D |
Promotes calcium and phosphorus absorption and promotes calcium mobilization from bone |
A child with bowed legs is likely deficient in vitamin |
D |
What is the name of the vitamin D-deficiency disease in adults? |
Osteomalacia |
What population group is at highest risk for osteomalacia? |
Adult women |
In what system would the effects of a vitamin D deficiency be most readily observed? |
Skeletal |
Which of the following conditions or diseases are known to be caused by a deficiency of the same nutrient? |
Osteomalacia and rickets |
Which of the following is not a feature of vitamin D deficiency? |
It causes excess iron absorption |
All of the following are characteristics of vitamin d nutrition except |
the requirement is increased in most people who are exposed to the sun |
Which of the following is now known to promote vitamin D deficiency in the elderly? |
excessive use of hypertension medications |
The risk for vitamin D deficiency increases with advancing age for all of the following reasons except reduced |
absorption of dietary vitamin D |
Which of the following may result from excessive intakes of vitamin D by adults? |
Mineral deposits in soft tissues such as the kidney |
Which of the following is a feature of vitamin D? |
The average consumption in the United States does not meet the recommended intake |
Which of the following is a characteristic of vitamin D nutrition? |
prolonged exposure to sunlight degrades the vitamin D precursor in skin, thus preventing vitamin D toxicity |
Which of the following enables much of the world’s population to maintain adequate vitamin D status? |
Outdoor exposure of the skin to sunlight |
Which of the following conditions is known to lead to formation of mineral deposits in the blood vessels and kidney? |
Excessive intake of vitamin D |
Which of the following is a feature of vitamin D? |
Fortification of milk with the vitamin is common in order to provide people with a reliable source |
Which of the following is the most reliable source of vitamin D in the diet? |
Fortified milk |
Which of the following is a feature of vitamin D synthesis? |
Dark-skinned people require longer sunlight exposure than light-skinned people to synthesize equivalent amounts of vitamin D |
Which of the following is a naturally occurring food source of vitamin D? |
Egg yolks |
Which of the following is not a feature of vitamin D nutrition? |
excessive exposure to the sun increases risk for vitamin D toxicity |
What is the adequate intake level for vitamin D in individuals around 20 years of age? |
5ug |
Recently, there has been alot of news about the importance of antioxidants in the diet. Which of the following vitamins has been noted as preventing the oxidation of low-density lipoproteins? |
E |
The main function of vitamin E in the body is to act as an |
antioxidant |
What is the role of vitamin E in the metabolism of free radicals? |
Eliminator |
Which of the following features do vitamins C and E share? |
Both function as antioxidants |
How is vitamin E thought to play a role in reducing the risk of heart disease? |
It slows oxidation of low-density lipoproteins |
The major function of vitamin E is to inhibit the destruction of |
polyunsaturated fatty acids |
The process of bone remodeling is known to be dependent on all of the fat-soluble vitamins except? |
vitamin E |
What from of tocopherol shows vitamin E activity in the human body? |
Alpha |
Which of the following disorders may result from vitamin E deficiency in people? |
Erythrocyte hemolysis |
Which of the following is a feature of vitamin E? |
Deficiencies occur from inability to absorb dietary lipids |
Why are vitamin E deficiencies rarely observed in human beings? |
The vitamin is widespread in foods |
There is some evidence for benefits from vitamin E supplements in all of the following groups except |
people with problems of sexual impotence |
Which of the following conditions may improve with vitamin E therapy? |
Intermittent claudication |
To convert the number of tocopherol equivalents to alpha-tocopherol, multiply by the factor |
0.8 |
which of the following is a property of the tocopherols? |
Easily destroyed by air and oxygen |
Which of the following is a feature of vitamin E in foods? |
Most convenience foods are poor sources of vitamin E |
Which of the following are major sources of vitamin E in the diet? |
Vegetable oils |
Among the following, which contains the highest concentration of vitamin E? |
Corn oil |
In comparison with the RDA for vitamin E, about how many fold higher is the tolerable upper intake level? |
65 |
Increasing the amount of polyunsaturated fats in the diet increases the need for vitamin |
E |
Which of the following is characteristic of the tocopherols? |
They are usually found in foods high in polyunsaturated fats |
Which of the following properties do vitamins D and K share? |
Both are synthesized in the body |
What is prothrombin? |
A protein needed for blood clot formation |
Which of the following is known to require vitamin K for its synthesis? |
Prothrombin |
In what chief capacity does vitamin K function? |
Blood clotting |
Which of the following is a feature of vitamin K? |
It participates in synthesis of bone proteins |
Which of the following is a feature of vitamin K? |
Bacteria in the intestines synthesize bio-available vitamin K |
Which of the following is a feature of osteocalcin? |
It requires vitamin K to bind to bone-forming minerals |
Of the following, which would most readily induce a vitamin K deficiency? |
Antibiotic therapy |
All of the following are features of vitamin K in nutrition except |
gut microflora synthesis supplies sufficient amounts to meet the needs of most healthy adults |
Which of the following vitamins is synthesized by intestinal bacteria? |
K |
Which vitamin is routinely given as a single does to newborns? |
Vitamin K |
Knowing the role of vitamin K in the body, in what organ would you expect to find it in large quantities? |
Liver |
What population group has the highest risk for vitamin K deficiency? |
Newborns |
Which of the following is a feature of vitamin K? |
No adverse effects have been reported with high intakes |
What types of foods should be controlled in individuals taking anticoagulant medicines? |
Green leafy vegetables |
The major from of vitamin K in foods is known as |
phylloquinone |
Approximately what percentage of the body’s store of vitamin K is derived from GI tract bacterial synthesis? |
50 |
What is the adult AI for vitamin K? |
90-120 ug |
Which of the following is not a fat soluble vitamin? |
Cyanocobalamin |
What is a free radical? |
A molecule that is unstable and highly reactive because it contains unpaired electrons |
Which of the following is a characteristic of free radicals? |
They arise from normal metabolic reactions |
Substances that promote oxidation are usually termed |
prooxidants |
Which of the following is a characteristic of vitamin C and vitamin E? |
both protect against LDL oxidation |
Which of the following is a feature of vitamins? |
The quantities present in foods are measured in micrograms or milligrams |
What is a precursor? |
A substance that is used to synthesize another compound |
What is meant by the bio-availability of a vitamin in food? |
The amount absorbed and subsequently used by the body |
General characteristics of the water-soluble vitamins include all of the following except |
they must be consumed daily |
All of the following are general characteristics of the fat-soluble vitamins except |
excesses are eliminated from the kidneys |
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 |
What is the primary excretory route for the water-soluble vitamins? |
Kidney |
When thiamin is consumed in excess of needs, how does the body treat the excess? |
Excreted primarily in the urine |
What is a chief function of the B vitamins? |
Coenzyme participation |
Which of the following explains why B vitamin deficiencies lead to lack of energy? |
Coenzymes needed for energy metabolism are produced in insufficient amounts |
Which of the following describes the basic function of a coenzyme? |
Attaches to an enzyme and allows a chemical reaction to take place |
Which of the following functions has a requirement for thiamin? |
Energy release from energy-yielding nutrients |
What is the primary chemical reaction in which thiamin participates as a coenzyme? |
Assists in removal of one-carbon units from compounds involved in energy metabolism |
Which of the following is the coenzyme from of thiamin? |
Thiamin pyrophosphate |
Beriberi results from a deficiency of |
thiamin |
Which of the following diets is most likely to lead to beriberi? |
High intakes of white rice |
The Wernicke-Korsakoff syndrome may be treated with supplements of |
thiamin |
Which of the following is a characteristic of thiamin nutrition? |
It is an integral part of the nerve cell membrane |
Approximately what percentage of alcoholics exhibit thiamin deficiency? |
80 |
All of the following are characteristics of thiamin nutrition except |
recommended intakes are stated in "equivalents" |
Which of the following provides the most thiamin per serving size? |
Ham |
Which of the following is a property of thiamin nutrition? |
Poor sources include seafood and cheeses |
How does the method of cooking affect thiamin stability? |
Microwaving the food conserves much of the thiamin |
Which of the following contains the highest concentration of thiamin in muscle tissue? |
Pig |
Of the following, which is the richest food source of thiamin? |
soy milk |
Riboflavin in its coenzyme form functions in the transfer of |
hydrogen atoms |
Which of the following vitamins is involved substantially in energy transformation |
riboflavin |
Which of the following is indicative of a dietary deficiency of riboflavin? |
inflamed mouth membranes |
Which of the following food groups ordinarily contains the highest amount of riboflavin |
Vegetables |
What is ariboflavonosis? |
The vitamin B2 deficiency disease |
The signs and symptoms of riboflavin deficiency are known collectively as |
ariboflavinosis |
Riboflavin needs are more difficult to meet when the diet is low in |
dairy foods |
Riboflavin is most easily destroyed when exposed to |
ultraviolet light |
What type of container is best for protecting the riboflavin content of milk? |
cardboard |
The coenzyme FAD is formed from what vitamin? |
riboflavin |
Of the following commonly eaten foods, which makes the greatest contribution to |
Milk |
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 |
riboflavin |
Which of the following is a property of riboflavin in nutrition? |
stability to heat is good |
Which of the following is a property of niacin in nutrition? |
It can be synthesized in the body from the essential amino acid tryptophan |
Which of the following properties is shared by niacin and riboflavin coenzymes? |
acceptance and transfer of hydrogen atoms |
When the diet contains an adequate amount of protein, what amino acid can be used by |
Tryptophan |
Which of the following nutrients functions to prevent the appearance of a bilateral, |
niacin |
The vitamin deficiency disease pellagra means |
rough skin |
A low-protein diet in which corn is a principal food has been found to cause a deficiency |
niacin |
What vitamin deficiency disease appeared in people who had subsisted on a diet high in |
pellagra |
Which of the following is not among the common signs of pellagra? |
desiccation |
A general niacin deficiency is known to be manifested in abnormalities of all of the |
skeletal system |
Tryptophan can be used in the body to synthesize |
niacin |
While researching your southern family history, you find that your grandmother had a |
pellagra |
Which of the following substances is found in corn and contributes to the development of |
leucine |
What term identifies the characteristic tingling sensations and reddening of the skin after |
niacin flush |
Which of the following overt side effect(s) is likely to appear after a person ingests a |
painful, tingling, itching sensation |
When taken in large doses, which of the following vitamins is associated with liver injury |
niacin |
Large doses of nicotinic acid are known to result in all of the following except |
disappearance of learning disorders in children |
Which of the following is a feature of niacin nutrition? |
high doses may lower blood cholesterol |
Your friend Jane just returned from the doctor who diagnosed her with a specific vitamin |
niacin |
What is the approximate niacin RDA for adults? |
15 niacin equivalents |
Among the following, which would be the best source of niacin equivalents? |
chicken |
Your brother Bob is a competitive body builder. His trainer suggested that he consume 4 |
be concerned, because, when the eggs are cooked, the avidin protein is denatured, and thus does not pose a problem for deficiency disease |
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 |
biotin |
Which of the following foods contains a protein that decreases bioavailability of biotin? |
raw egg whites |
A protein that binds with biotin (thus inhibiting absorption) is found in which food? |
raw egg whites |
Which of the following vitamins is synthesized by intestinal bacteria? |
biotin |
Biotin can be synthesized by |
intestinal bacteria |
What is the adult Adequate Intake for biotin? |
30 ug |
What vitamin forms a part of coenzyme A? |
pantothenic acid |
What is the AI for pantothenic acid for adults? |
5mg |
Which of the following vitamins is known to sustain substantial losses during processing |
pantothenic acid |
Forms of vitamin B6 include all of the following except |
pyrimidine |
Which of the following vitamins is stored primarily in muscle tissue? |
vitamin B6 |
The chief symptoms of early vitamin B6 deficiency include |
confusion and depression |
What vitamin is involved intensively in amino acid metabolism? |
vitamin B6 |
Which of the following is not a characteristic of vitamin B6 in nutrition? |
it is required in amounts proportional to energy expenditure |
All of the following are features of vitamin B6 metabolism except |
it enhances physical performance when supplied at a level of 1 mg/g of dietary protein |
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 |
B6 |
Irreversible nerve damage has been reported in people taking large doses of |
vitamin B6 |
Which of the following statements reflects our knowledge of water-soluble vitamin |
toxicity symptoms for vitamin B6 can be sever 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 characteristics is shared by vitamin B12 and folate? |
both are required for nucleic acid synthesis |
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 |
folate |
A person with a disorder that limits absorption of bile is at increased risk for deficiency of |
folate |
What is the most likely explanation for the impaired functioning of the GI tract resulting |
since folate functions, in large part, in the process of cell renewal, a deficiency slows mucosal cell replacement, thereby resulting in decreased GI functioning |
Which of the following is not a feature of folate nutrition? |
folate must be methylated by homocysteine prior to crossing the brush border membrane |
Approximately what percentage of dietary folate is bioavailable? |
50 |
The percent bioavailability of a folate supplement taken on an empty stomach is |
100 |
How many dietary folate equivalents are provided by 100 µg of a folate supplement? |
170 |
What fraction of women capable of becoming pregnant ingest the RDA for folate? |
1/2 |
Research has shown that the risk for neural tube defects is lowered by taking |
folate |
Which of the following is a type of neural tube defect? |
spina bifida |
Which of the following is a feature of folate nutrition? |
synthetic folate is 70% more available than naturally occurring food folate |
By law, what amount of folate (µg) must be added to 100 g of food products such as |
140 |
Nicole is pregnant and is trying to monitor her folate intake. She is eating foods high in |
580 |
Because of adverse interactions with other vitamins, a safe daily folate intake is up to |
1,000 ug |
A deficiency of which of the following vitamins results in accumulation of homocysteine |
folate |
The appearance of vitamin B12 deficiency symptoms may be delayed due to high intake |
folate |
What vitamin is involved mainly with the replacement of red blood cells and digestive |
folate |
Which of the following substances is known to adversely affect folate utilization? |
regular use of antacids |
Which of the following is representative of folate availability in foods? |
much of the vitamin is lost due to heat and oxidation |
Which of the following is known to significantly affect the body’s folate status? |
some anticancer drugs |
Physiological stresses such as blood loss, burns, measles, and cancer are known |
folate |
Which of the following is associated with a deficiency of folate? |
macrocytic anemia |
Folate deficiency has been reported in infants fed |
goat’s milk |
Among all the vitamins, which is believed to be most vulnerable to interactions with |
folate |
What is the RDA for folate for a woman weighing 132 pounds? |
400 ug |
What is the adult RDA for folate (µg)? |
400 |
Which of the following foods is highest in folate? |
green, leafy vegetables |
Which of the following is required for the absorption of dietary vitamin B12? |
intrinsic factor |
What is the function of intrinsic factor in vitamin B12 absorption? |
it attaches to the vitamin, thereby allowing absorption from the intestines |
All of the following are required for efficient dietary absorption of vitamin B12 except |
mucosal cobalaminase |
What is the most likely reason for the development of a vitamin B12 deficiency? |
inadequate absorption |
Pernicious anemia results from a deficiency of |
vitamin B12 |
The nasal spray route represents a safe and efficacious means for the supply of |
vitamin B12 |
The absorption of which of the following vitamins is most affected by the disorder |
vitamin B12 |
Which of the following is a property of vitamin B12? |
it is efficiently recycled by the body |
A similar type of anemia is produced when there is a deficiency of either |
vitamin B12 or folate |
Which of the following is a common treatment for pernicious anemia caused by |
injection of cobalamin |
If a person refrained from ingesting any of the water-soluble vitamins, deficiency |
vitamin B12 |
Normally, the body’s storage and re-utilization of vitamin B12 prevents a primary or |
3 years |
In a person who loses the ability to absorb vitamin B12, approximately what period of |
three years |
Pernicious anemia results from a combination of lack of intrinsic factor and |
lack of hydrochloric acids |
Which of the following is not known to be a risk factor for development of atrophic |
avoidance of leafy vegetables |
Which of the following is not known to be a risk factor for development of atrophic |
synthetic B12 in supplement form is highly utilizable |
Among the following water-soluble vitamins, a secondary deficiency would most likely |
vitamin B12 |
Why are vegetarians at risk of developing a vitamin B12 deficiency? |
vegetarian diets probide insufficient amounts of the vitamin |
Of the following foods, which would be the only source of vitamin B12? |
hot dog |
Which of the following is a characteristic of vitamin B12? |
it is inactivated when the food is heated in a mircrowave |
The adult RDA for vitamin B12 (µg) is |
2.4 |
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 |
Which of the following is not known to be required in the diet of human beings? |
lipoic acid |
Which of the following is classified as a conditionally essential nutrient? |
choline |
Which of the following is probably required in the diet of human beings? |
choline |
Which of the following is not known to be a vitamin for human beings? |
ubiquinone |
Which of the following is frequently affected by deficiencies of the B vitamins? |
tongue |
Which of the following is an overt sign of a possible B vitamin deficiency? |
smooth tongue |
Which of the following characteristics is shared by vitamins B6, B12, C and folate? |
consumption prevents anemia |
What is a free radical? |
molecule with at least one unpaired electron |
Which of the following is a general function of vitamin C? |
antioxidant agent |
In what capacity does vitamin C function? |
cofactor in collagen formation |
The protein that requires ascorbic acid for its formation is |
collagen |
Which of the following represents the results of well-controlled studies of vitamin C |
there was a significant reduction in the duration of colds in people who consumed at least one gram a day |
Why might vitamin C supplements be beneficial in treating the common cold? |
they deactivate histamine |
Which of the following vitamins is known to deactivate histamine, a substance that |
vitamin C |
What is the minimum daily amount of ascorbic acid that will prevent the appearance of |
10 mg |
How much vitamin C is needed daily to raise blood ascorbic acid concentrations to a |
200 mg |
Which of the following is an early sign of vitamin C deficiency? |
bleeding gums |
In the United States, what is the adult RDA for vitamin C? |
75-90 mg |
People who smoke require additional vitamin C in the amount of |
35 mg |
Which of the following symptoms is indicative of a deficiency of vitamin C? |
subcutaneous pinpoint hemorrhages |
People with the condition known as iron overload may be adversely affected from taking |
ascorbic acid |
Which of the following food groups is a rich source of vitamin C? |
fruit group |
What term is used to describe the outcome of a diagnostic test that apparently shows that |
false positive |
What term describes the outcome of a diagnostic test that apparently indicates that you |
false negative |
John is looking to increase his dietary sources of vitamin C. However, he expresses a |
brussel sprouts, broccoli, strawberries |
Which of the following foods provides ample amounts of vitamin C? |
broccoli |
Which of these meals is lowest in vitamin C? |
roast beef, carrots, noodles, and tea |
Which of the following would be a very good source of vitamin C for the lacto-ovo- |
broccoli |
All of the following are consequences of ingesting excess vitamin C supplements except |
they enhance the action of anticlotting medications |
Moderate intakes of which of the following would provide sufficient amounts of vitamin |
potatoes |
What food makes a significant contribution to vitamin C intakes in the U.S. population |
potatoes |
Which of the following would be the poorest dietary source of vitamin C? |
whole grains |
172. A vitamin supplement labeled as "high potency" contains an amount that |
100% or more of the daily value |
Approximately what percentage of the U.S. population takes multinutrient supplements |
33 |
The known dangers of taking vitamin supplements include all of the following except |
pathogenic bacterial overgrowth of the large intestines leading to increased risk of infection |
Which of the following statements is representative of vitamin supplementation practices? |
people who have low energy intakes or are pregnant are at risk for developing deficiencies and may benefit from supplementation |
A person who shuns dairy and spends most of her time indoors would likely benefit from |
vitamin D |
Those groups of people who are at risk for developing marginal nutrient deficiencies and |
athletes who are engaged in intense competitive events |
All of the following are known to occur from a mild iron overdose except |
black tongue |
Chapter 11 Nutrition
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