question

What are the components in vitamins responsible for reducing the risk of cancer?

answer

antioxidants

question

Why do we need water soluble vitamins?

answer

for our kidneys to filter

question

What two factors affect the conversion of sunlight to vitamin D?

answer

age and race

question

What is the name of the B vitamin that is added to refined grains with the aim of preventing neural tube defects?

answer

folate

question

The highest folate content may be obtained from eating what food?

answer

fresh fruits and vegetables

question

What does excessive intakes of vitamin A during pregnancy result in?

answer

(fetal malformation and spontaneous abortions)

question

True or False The fat soluble vitamins are more readily stored in the body than the water soluble vitamins

answer

True

question

True or False water soluble vitamins are not usually stored because they are filtered and excreted by the kidneys

answer

True

question

Which of the following are good sources of vitamin C: whole wheat bread, bread, strawberries, citrus fruits, potatoes

answer

strawberries, citrus fruit, potatoes

question

True of False: Vitamins are considered non=essential nutrients because we need them in small amounts

answer

False

question

True of False: Grain products that have been milled are enriched with B vitamins and mineral iron to lessen the risk of deficiency.

answer

True

question

What foods are good sources of vitamin E ?

answer

whole grains, nuts, plant oils

question

True or false Pernicious anemia is related to inadequate vitamin B12 absorption

answer

True

question

What is the category of vitamins that need to be replaced daily?

answer

water soluable vitamins

question

Which B vitamins are important in DNA synthesis?

answer

folate and vitamin B12

question

True or False A person who consumes a diet adequate in fat can still develop a fat soluble vitamin deficiency by inefficient fat digestion and absorption

answer

True

question

True or False Thiamin is the key component required to release energy from proteins

answer

False carbohydrates

question

Which of the following are functions of vit C? Wound healing, formation of collagen, night vision, fluid regulation

answer

Wound healing and formation of collagen

question

Dementia, diarrhea, dermatitis and death are symptoms of the deficiency known as ________

answer

pellaga

question

True or Fals Risk factors with osteomalacia include poor intestinal absorption and kidney disease

answer

True

question

True or Fals Infants are given an injection of Vitamin K at birth because their intestines produce too much bacteria to and Vitamin K

answer

False too little bacteria to produce vitamin K

question

True or False Someone with a vitamin B12 deficiency might experience impaired red blood cell synthesis leading to megalobastic anemia.

answer

True

question

True or False Sources of provitamin A carotenoids include carrots, sweet potatoes and broccoli

answer

True

question

What is the vitamin D deficiency disease chacterized by bowed legs, an enlarged head, deformities of the ribs and pelvis and pain in the joints?

answer

Rickets

question

Identify 3 food sources of thiamin

answer

(enriched flour, whole grains, pork)

question

True or False The amount of a nutrient that is absorbed and available to the body is called bioavailability.

answer

True

question

The fact that fat soluble vitamins are stored in the fat cells (increase or decreases)_________ our risk of toxicity if megadoses are consumed

answer

increases

question

True or False Sources of retinods, the performed source of Vitamin A include fortified milk, beef liver, butter, fish

answer

True

question

True or False Berberi is a deficiency disease caused by a lack of glucose

answer

False thiamin

question

What mineral does Vitamin C enhances the absorption of ?

answer

iron

question

True or False Dietary sources of niacin include fruits and vegetables

answer

False milk beef fish poultry

question

Which group Is able to synthesize vitamin c?

answer

animals

question

True of False The stomach produces the intrinsic factor that is necessary to absorb B12

answer

True

question

Food sources of riboflavin include beef and fish

answer

False enriched grains, milk

question

Megadoses of vitamin C are (increted or excreted) from the body?

answer

excreted

question

True or False Examples of process that can cause a loss of certain vitamins include improper storage, exposure to light, heating or cooking.

answer

True

question

True or False The best source of vitamin B12 would be fish

answer

false hamburger

question

True or False Studies have shown a benefit in preventing cardiovascular disease in persons at high risk due to the adequate intake of cartenoids, a form of vitamin A from plant sources

answer

true

question

When suffient dietary vitamin A is not available a deficiency order known as ________may develop (night blindness)

answer

night blindness

question

Enriched grain products remain low in sucrose

answer

false fiber

question

41. Dark green and yellow=orange vegetables are sources of _

answer

carotenoids

question

Lack of sufficient Vitamin A in the diet may effect what?

answer

growth, development of sex organs, reproductive ability

question

A ________ is an organic compound needed in small amounts in the diet to help regulate and support chemical reactions and processed in the body

answer

vitamin

question

True or False Megadoses of vitamin C prevent colds

answer

false

question

What substance produced by the digestive system is necessary in order to absorb Vitamin B12?

answer

intrinsic factor

question

The most nutrient dense food source of choline is what?

answer

eggs

question

Adults are at the lowest risk of what Vitamin toxicity

answer

D

question

What is the function of riboflavin?

answer

energy yielding metabolism and assisting antioxidant reactions.

question

Why do smokers need more vitamin C than non-smokers

answer

of the greater stress placed on the lungs due to the oxidative damage.

question

True False It is a good idea to take a multivitamin and mineral supplement because it is not possible to obtain adequate nutrition from food sources

answer

False

question

What are some points to consider when choosing a multivitamin and mineral supplement?

answer

balance and composition of nutrient, %daily value of each nutrient, cost and availability

question

Vitamin C may reduce cancer risk due to its ________properties

answer

antioxidant

question

The point at which toxic levels of vitamin A may develop is called what?

answer

tolerable Upper Intake Level.)

question

Why is there an upper level for preformed Vitamin A but not for the carotenoids?

answer

Performed Vitamin A is stored in fat cells and can build to toxic levels

question

Megadoses of Vitamin C are ____________

answer

are excreted from the body

question

Water soluble vitamins include

answer

B vitamins and C

question

What is the interaction between vitamin E and K?

answer

excessive levels of E will reduce clotting ability of vitamin K.

question

One function of the urinary system is to remove excess ________soluble vitamins

answer

water

question

What are the functions of vitamin A?

answer

_light-dark vision, topical treatment for acne and growth, development and reproduction

question

Those at increased risk for a vitamin C deficiency include

answer

alcoholics and smokers)

question

In addition to the vitamin K from our diet, vitamin K is also obtained from

answer

bacteria in our intestines)

question

Why is the consumer ultimately responsible for protecting himself when using supplements?

answer

USDA does not regulate supplements

question

What form of Vitamin E is more potent?

answer

natural

question

What are the fat soluble vitamins?

answer

DEAK

question

The B vitamins play a role in metabolism by

answer

acting as coenzymes

question

Food sources for obtaining vitamin D include __________________

answer

fortified milk and salmon

question

Why should all women of childbearing age consume adequate amounts of folate

answer

he neural tube closes before many women even know they are pregnant.

question

True or False An athlete has a greater need for vitamin B6 to convert tryptophan into niacin

answer

False

question

Provitamins A carotenoids functions as antioxidant and help to prevent ________

answer

some cancers and cardiovascular disease in high risk population

question

Adults are at the lowest risk for Vitamin _____toxicity (REPEAT QUESTION)

answer

D

question

True or false: Those with decreased immune function have a higher need for vitamin C

answer

True

question

What are some sources of Vitamin K?

answer

green leafy vegetables, broccoli and canola oil

question

High levels of nicotinic acid can lead to _______

answer

headache, itching facial flushing

question

7Vitamin-like substance CAN OR CAN NOT be synthesized under normal healthy

answer

CAN

question

Which at risk groups that might benefit from a vitamin or mineral supplement ?

answer

women of childbearing age who may need extra folic acid, those following a very low calorie diet, newborns who need a single dose of vitamin K upon birth

question

For most vitamins, the natural forms (isolated from food) HAVE OR HAVE NOT the same health benefits as synthetic forms 9made in laboratory)

answer

HAVE

question

What are some of the functions of B6?

answer

synthesis of nonessential amino acids, homocysteine metabolism and synthesis of neurotransmitters

question

True or False: Retinoic acid binds to receptors on DNA to increase synthesis of a variety of proteins

answer

True

question

Which source of vitamin B6 has the highest bioavialability

answer

Animal products

question

Studies have shown a benefit in preventing cardiovascular disease in persons at high risk due to the adequate intake of _______, a form of vitamin A from plant sources

answer

carotenoids

question

A lack of vitamin A in the diet may leave a person at a greater risk for

answer

infections

question

True or False Vitamin K affects bone health by activating proteins that bind calcium

answer

True

question

What are some food sources high in vitamin

answer

green peppers, strawberries

question

Groups at risk for a niacin deficiency include (alcoholics, people with disorders of_

answer

tryptophan metabolism

question

The deficiency disease for vitamin C is

answer

Scurvy

question

Supplements CAN OR CAN NOT_claim to prevent, treat or cure a disease

answer

CAN NOT

question

A person with dark skin would need a _______exposure time to sunlight to convert Vitamin D

answer

shorter

question

What allows certain cells in the eye to adjust from bright to dim light

answer

retinal

question

What are signs of scurvy

answer

bleeding gums and slowed wound healing)

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