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Vitamins & Minerals > Function > Flashcards

Function Flashcards

1
Q

Vitamin A

A

skin & vision

stored in liver

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2
Q

Vitamin D

A

Ca & P metabolism

cholesterol precursor

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3
Q

Vitamin E

A

antioxidant
resists hemolysis of RBC

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4
Q

Vitamin K

A

forms prothrombin in liver
aids in blood clotting
calcium metabolism

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5
Q

Vitamin B1 [Thiamin]

A

oxidation of CHO
metabolism of pyruvate

lost as temp/pH rises

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6
Q

Vitamin B2 [Riboflavin]

A

energy release from protein
red cell production

lost in UV light

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7
Q

Vitamin B3 [Niacin]

A

metabolism of CHO, PRO, fat

essential for energy production & metabolism

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8
Q

Vitamin B9 [Folate]

A

DNA synthesis
forms RBC in bone marrow
prevents neural tube defects

zinc-dependent

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9
Q

Vitamin B6 [Pyridoxine]

A

coenzyme in AA metabolism (deamination/transamination)

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10
Q

Vitamin B12 [Cyanocobalamin]

A

coenzyme in protein synthesis
forms RBC

bound by intrinsic factor in gastric juice

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11
Q

Vitamin B5 [Pantothenic Acid]

A

coenzyme A
energy synthesis of fatty acids

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12
Q

Vitamin C [Ascorbic Acid]

A

strengthens intracellular substances
wound healing
aids iron absorption

most easily destroyed
antioxidant
destroyed by heat/alkaline pH/oxidation

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13
Q

Vitamin B7 [Biotin]

A

coenzyme in fatty acid synthesis
converts pyruvate to oxaloacetate (gluconeogenesis)

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14
Q

Calcium

A

blood clotting
cardiac function
nerve transmission
smooth muscle contractility

regulated by parathyroid hormone

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15
Q

Phosphorus

A

tissue and cell growth/maintenance/repair
bones and teeth

part of DNA/RNA/ATP

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16
Q

Iron

A

oxygen transport

part of hemoglobin

17
Q

Magnesium

A

protein and fatty acid synthesis
stabilizes ATP structure

part of chlorophyll

18
Q

Zinc

A

increases taste acuity
enhances insulin action
stabilizes DNA/RNA
cell division

19
Q

Iodine

A

produce thyroid hormones
metabolism/growth/development

20
Q

Fluoride

A

inhibits teeth decay
stimulates bone formation

21
Q

Copper

A

hemoglobin synthesis
aids in iron absorption

ceruloplasmin

22
Q

Selenium

A

antioxidant
tissue respiration

23
Q

Manganese

A

central nervous system
blood clotting
metabolism
energy production

24
Q

Chromium

A

aids insulin action
glucose metabolism

25
Q

Cobalt

A

maturation of RBC

stored in liver

26
Q

Sulfur

A

build/repair DNA

part of cysteine/methionine

27
Q

Choline

A

transports lipids

component of lecithin

Vitamins & Minerals (3 decks)

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