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Nutrition > Magnesium > Flashcards

Magnesium Flashcards

1
Q

is it a trace element, vitamin, or mineral? Magnesium

A

mineral

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2
Q

how much is in the body? Magnesium

A

28 g = 1 oz

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3
Q

how much is in the bones and teeth? Magnesium

A

50%

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4
Q

how much is in the muscles/soft tissues? Magnesium

A

49%

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5
Q

how much is in the extracellular fluid? Magnesium

A

1%

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6
Q

how much is absorbed? Magnesium

A

45%

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7
Q

what influences its absorption? Magnesium

A

Influenced by same factors as Ca (except vitamin D)

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8
Q

what do High alcohol & liquid protein do to its absorption? Magnesium

A

decrease absorption & excretion

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9
Q

what are its four functions? Magnesium

A

Bone metabolism, Prevention of dental caries, Cofactor, Muscle contraction

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10
Q

what are the details of its function in bone metabolism? Magnesium

A

Needed for deposition of Ca

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11
Q

how does it prevent dental caries? Magnesium

A

Holds Ca in tooth enamel

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12
Q

how many enzymes is it a cofactor for? Magnesium

A

300 enzymes

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13
Q

how does it help with muscle contraction? Magnesium

A

Stimulates relaxation

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14
Q

what are the four main deficiency symptoms? Magnesium

A

Tremors, seizures, hallucinations, Cardiovascular damage

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15
Q

what happens if there is a deficiency and high Ca? Magnesium

A

increased calcification of soft tissues

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16
Q

what group of people are prone to a deficiency? Magnesium

A

alcoholics

17
Q

is it toxic from to much in food? Magnesium

A

no

18
Q

what are the seven toxicity effects of taking supplements? Magnesium

A

Diarrhea, nausea, cramps, dehydration
 Anesthetic effect
 Coma, heart and kidney failure

19
Q

whats the DRI? Magnesium

A

400 mg male 310 female

20
Q

whats the UL? Magnesium

A

350 mg but not from food

21
Q

what level is the US dietary intake? Magnesium

A

75% below recommendations

22
Q

what type of water contributes to an increase of this? Magnesium

A

Hard water contributes

23
Q

what are the four main food sources? Magnesium

A

 Legumes, seeds, and nuts

 Leafy green vegetables

24
Q

in leafy green vegetables where is it located? Magnesium

A

Core atom of chlorophyll

Nutrition (32 decks)

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