Quiz Eight Final Flashcards
Choline: deficiency causes problems primarily in which organ
Liver
How does vitamin C protect cells from damage caused by reactive oxygen species
Vitamin C donates electrons to reactive from a oxygen species is like the super oxide molecule the super oxide molecule is neutralized and at the same time asorbic acid is converted to dehyroasobic acid
Vitamin C deficiency is causes which of the following
Tbleeding gums easy bruising depression
Consumption of orange juice enhances the absorption of which material
Iron
What is a major function of vitamin C in the body
Formation of collagen protection against damage from free radicals and improving the absorption of iron
B 12 deficiency causes
Can be deadly neurological problems and can take many years before deficiencies develop
Vitamin B 12 deficiency is caused by the absence of in Trinzic factors results in what disease
Pernicious anaemia
What groups would be the most to benefit from taking B12 supplements
Older adults with significantly reduced stomach acid people who do not consume any animal products bread first infants to his mothers are vegans
Meaning vitamin B 12 needs from the diet is especially difficult for what population group
Vegans
Which statement best describes the impact of the Canadian fall like and fortification program on a neutral tube defect’s
Folic acid was added to white flour cornmeal and pasta and neutral tube defects were substantially reduced
Beginning to take full lick acid supplements after a pregnancy is confirmed is too late why
The neutral tube forms before most women know they are pregnant
Hi intake of folate is cause for which of the following concerns
Hi levels may mask of you 12 deficiency giving rise to permanent nerve damage
Why is Felipe important for rapidly dividing cells
It is required for DNA synthesis
An elevation of homocysteine has been associated with an increased risk of cardiovascular disease in clinical studies which vitamins have been shown to decrease levels of homocysteine in the blood
B6 folate and B 12
Which is a symptom of vitamin B deficiency
Depression numbness in the extremities headache
What is another name for B6
Pyridoxine
Which statement best describes pentothenic acid intake
Pantothenic acid deficiency is rare
Why was an AI rather than RDA establish for a biotin
It is not possible to establish an RDA because bio 10 from gastronomical bacteria is bioavailable
What is the relationship between niacin and protein
Niacin couldn’t be synthesized from amino acid
What is a common adverse reaction to high dose of niacin
Yflushing of the skin
Historically pellagra occurs when population consumed large amounts of which grain
Corn not treated with lime water
Which disease is caused by a niacin deficiency
Pellagra
A person consuming a diet deficient in dairy products but adequate in other areas would have the most difficulty obtaining significant amount of which vitamin
Riboflavin
Riboflavin is most easily destroyed when exposed to which of the following
Light
Which of the following groups is highest risk for developing a thiamin disease
Chronic alcoholics
What is a primary function of thiamine in the body
Facilitating production of energy from glucose
Which of the following is a good source of thiamine
Sunflower seeds pork whole grains
Barry Barry is a disease caused by a lack of what vitamin
Thiamin
Which is an example of how vitamins function together
Vitamin B folate and vitamin B 12 in a single carbon metabolism
Which statement about choline is true
Call line is not classified as a vitamin
