micronutrients

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72 Terms

1
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vitamin a functions
vision-to adjust to dim light and the color purple

immune function

formation of mucosa
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vitamin a deficiency
skin changes

saliva secretion

immune changes

impaired bone growth

vision changes

RARE IN US-due to pregnancy, CF, malabsorption
3
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vitamin a toxicity
headaches

double vision

liver damage

hair loss

bone deformities

birth defects

ESP IN PREGNANCY

\
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vitamin a forms
alcohol, aldehyde, acid

\-from food sources
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vitamin a carotenoids/storage
alpha, beta, cryptoxathin (converted to retinol)

stored in adipose tissue
6
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vitamin a sources
red peppers, tomatoes, broccoli, carrots
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vitamin d functions
maintain CA levels (GI and kidney absorption)

cell growth

immune and neuromuscular function
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vitamin d deficiency
low Ca and P absorption

rickets

decreased bone growth

bone malformation

teeth decay
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vitamin d toxicity
kidney damage

calcification of soft tissue

bone weaknesses
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vitamin d forms
D3: cholecalciferol

D2: ergocalciferol

PROHORMONE

regulated by the parathyroid hormone
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vitamin d sources
dairy

fortified cereals

fish sources (tuna, salmon, cod fish oil)
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vitamin e function
antioxidant

cell membrane protection

inhibits cell division

platelet aggregation

increases vasodilation

immune function and gene expression
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vitamin e deficiency
hemolysis

anemia

peripheral neuropathy

skin lesions
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vitamin e toxicity
increases anticoagulation medication effect

interferes with vitamin k absorption
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vitamin e sources
alpha tocopherol

mango

nuts and seeds

sweet potatoes

green, leafy vegetables
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vitamin k functions
coenzyme for blood clotting and bone metabolism
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vitamin k deficiency
hemorrhage, secondary to medication inherence OR malabsorption
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vitamin k sources
shot as a newborn

sundried tomatoes

celery

dark, leafy vegetables
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B1 name
\
thiamin
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B1 deficiency
beriberi

nervous system deficits

confusion

calf pain
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B1 sources
WG bread

wheat germ

liver

eggs

pork

nuts

peas and beans

\
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B2 name
riboflavin
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B2 deficiency
dermatitis

cheilosis

photophobia
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B2 sources
dairy

WG bread

liver

eggs

meat

spinach
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B3 name
niacin
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B3 deficiency
pellagra (dermatitis, diarrhea, dementia, death)
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B3 sources
WG

protein-rich foods
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B6 deficiency
microcytic anemia

dermatitis

cheilosis

glossitis

weakened immunity

depression
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B6 sources
potatoes

organ meats

poultry

fish

meat

non-citrus fruits
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B12 deficiency
GI disorders

glossitis

macrocytic anemia

nervous system changes
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B12 sources
\
dairy

eggs

fish

poultry

meat

shellfish
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B7 name
biotin
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B7 function
coenzyme

fatty acid synthesis

glycogen formation

amino acid metabolism
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B7 sources
most foods

eggs

liver

dairy

dark greens
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B7 deficiency
anorexia

fatigue

heart abnormalities

\
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choline function
cell structure

acetylcholine formation

gene expression
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choline sources
most foods

dairy

liver

foods processed with lecithin
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choline deficiency
muscle and liver damage

fatty liver disease
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choline toxicity
liver damage
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B9 name
folate
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B9 function
coenzyme for DNA synthesis and homocysteine metabolism
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B9 sources
spinach

okra

liver

dried peas and beans

seeds

grains
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B9 deficiency
macrocytic anemia

confusion

fatigue

diarrhea

neural tube defects
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B5 name
pantothenic acid
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B5 function
coenzyme
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B5 deficiency
failure of all body systems
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B5 sources
meat

poultry

fish

WG cereals
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vitamin C functions
synthesis of collagen and other CT and bone

iron absorption

thyroxin synthesis

immune function
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vitamin C sources
citrus

peppers

broccoli

cauliflower

strawberries

tomatoes
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vitamin C deficiency
scurvy

progressive hemorrhage

skin changes

bone softening and malformation

anemia

depression
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B12 medication use
prevention or correction of pernicious anemia
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vitamin A medication use
topical skin products

acne reduction
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calcium function
bone and teeth growth
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calcium sources
dairy

cabbage

turnip greens

soy
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calcium deficiency
impaired growth

osteoporosis
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phosphorous function
bone and teeth growth

enzymes

coenzyme
57
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phosphorous sources
animal products

raisins

prunes

dates

fortified cereals

grains
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phosphorous deficiency/toxicity
deficiency unknown

can become toxic and cause low calcium levels
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magnesium function
bone mineralization/formation

muscle and nerve function

blood glucose balance

BP regulation

DNA synthesis
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magnesium sources
spinach and other greens

nuts

bran

peas and beans
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magnesium deficiency
weakness

confusion

tetany

convulsions
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magnesium toxicity
can be toxic from supplementation

diarrhea

cramping
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sulfur function
protein bridges

component of biotin, thiamin, insulin
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sulfur sources
all animal products

milk

beans

nuts
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sulfur toxicity
can be toxic to animals through excessive intake
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zinc function
immune function

protein synthesis

DNA synthesis
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iodine function
component of thyroid hormones

metabolic rate
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selenium function
reproduction

thyroid function
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copper function
iron metabolism

connective tissue synthesis
70
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manganese function
enzymes for cholesterol

amino acids

bone formation
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fluoride function
tooth enamel

bone formation
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chromium function
enhances action of insulin

carbohydrate metabolism