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which of the following explains why folate is critical to the health of a newly conceived embryo

folate is needed for proper cell division

what is transamination

a key process in the creation of nonessential amino acids

which of the following is a molecule that combines with an enzyme to activate it and help it do its job

a coenzyme

the tranport protein for iron is

transferrin

the iron carrying protein that assists in the transport of oxygen into muscle cells is

myoglobin

which minerals absorption is enhanced greatly by vitamin c

iron

which of the following will impair iron absorption

low amounts of stomach acid

the first B vitamin discovered was

thiamin

iodine is essential for the synthesis of which kind of hormones

thyroid

what is the most common nutrient deficiency , worlwide?

iron

the oxygen carrying protein found in red blood cells is called

hemoglobin

pellagra is the deficiency disease associated with

niacin

which of the following would not be an effective strategy to follow when trying to evaluate the safety and quality of a particular supplement

purchase prodcuts labeled "natural"

which of the following is not a symptom of pellagra

dizziness

which of the following individuals would least likely need diatary supplementation

people who eat a balanced diet

unless prescribed by a qualified practitioner, taking a single nutrient supplement is not recommended because it

may quickly lead to a nutrient toxicity

which of the following individuals would be at risk for a vitamin K deficiency

a 30 year old with crohns disease

high concentrations of homocysteine in the blood are associated with the development of

heart disease

a genetic disorder characteruzed by excessive iron absorption is

hemochromatosis

which mineral increases insulins effectiveness in cells

chromium

which of these nutrients is destroyed by exposure to light

riboflavin

a toxicity of folate can disguise a true deficiency of which nutrient, resulting in nerve damage

vitamin B 12

the fluid portion of the blood is called

plasma

pellagra was first seen in population where the dietary staple was

corn

the ideal nutritional strategy for optimizing health is to

eat a healthful diet containing a variety of whole foods

the chronic overconsumption of which of the following foods can result in a biotin deficiency

raw egg whites

a severe vitamin B12 deficiency results from what form of anemia

pernicious

what is the primary role of the B vitamins

act as coenzymes

which of the following provides 100% of the RDA of folate

3/4 cup of whole grain total cereal

a major dietary source of iodine worlwide is

iodized table salt

which kind of severe deficiency results in a condition called macrocytic (or megablastic) anemia

folate

a person suffering from fatigue, muscle wasting, and nerve damage is likely suffering from which of the following deficiency diseases

beriberi

prothombin and factor VII are

proteins that are involved in the coagulation of blood

the primary sources of folate in the american diet are

enriched ready to eat cereals, bread, and grain products

celine visited her doctor to examine a cut that bled a lot before it clotted. Which of the following deficiencies might cause increased bleeding

vitamin K

which of the following is nota good source of vitamin K

Exposure to sunlight

which statement regarding thiamin is false

it is often toxic when consumed in excess

which vitamin can be made from the amino acid tryptophan

niacin

zinc is a trace mineral that plays a critical role in

sexual maturation

which of the following is the Best source of thiamin

whole and enriched cereals and grains

insufficient intake of iron will first affect which of the following levels in the body

ferritin

chromium assists in the uptake of which of the following

gluose

vitamin b12 is essential for the proper functioning of which type of cells

nerve

iron absoption is the highest when

iron stores are low

which of the following is not one of the secondary contributors responsible for the acne flare ups that plague many adolescents

chocolate consumption

which of the following is not a vitamin

choline

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