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Nutrition > Minerals > Flashcards

Minerals Flashcards

0
Q

Sodium is absorbed at what percent?

A

100

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1
Q

Percentage of normal Ca bioavailability

A

25%

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2
Q

Where is photic acid/phytate found in foods?

A

Whole grains, bran, and soy products

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3
Q

Limits absorption of Ca, Zn, Fe, and Mg by binding to them, except in yeast leavened foods

A

Phytic acid/ phytate

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4
Q

Found in tea and some grains, can interfere w iron absorption

A

Tannins

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5
Q

Interfere w Ca and iron absorption, found in spinach, rhubarb,beet greens, and chocolate

A

Oxalates

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6
Q

Ca is found in

A

Yogurt, milk,sardines, kale,cheese, tofu

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7
Q

Absorption of iron and Ca is decreased by the presence of

A

Tannins, fiber, phytoestrogens, and oxalates

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8
Q

Mineral that helps regulate enzyme activity, necessary in blood clotting, allows muscle proteins to interact causing muscle contraction

A

Ca

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9
Q

DRI of Ca for adults

A

1000mg/day

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10
Q

AI of Ca for women over >51

A

1200

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11
Q

UL for Ca for adults

A

2500mg/day

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12
Q

Provides rigidity to bones

A

Phosphorus

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14
Q

Calcitonin

A

Inhibits Calcium release

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15
Q

Parathyroid hormone

A

Stimulates Calcium release

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16
Q

Absorbed in the intestinal mucosal cells, better absorbed heme

A

Iron

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18
Q

Too much Supplement of this mineral inhibits iron absorption

A

Ca

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19
Q

RDA of phosphorus is

A

700mg/day

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20
Q

Mg is found in what foods?

A

Leafy greens, nuts, seeds, bananas, and germ and bran of whole wheat

21
Q

Magnesium RDA

A

400mg/day

22
Q

Enhances noneheme iron absorption

A

Vit. C

23
Q

Appears in the diet as preformed molecules such as methionine and cysteine. Part of a buffer system that regulates acid/base balance

A

Sulfur

24
Q

Iron storage protein

A

Ferritin

25
Q

RDA for zinc

A

8-11mg/day

27
Q

Too much iron is converted into an Insoluble storage protein called

A

Hemosiderin

28
Q

Iron RDA for adults

A

8-18mg/day

29
Q

Part of hemoglobin which delivers oxygen to cells, myoglobin which holds oxygen in muscle, needed for immune function

A

Iron

30
Q

Regulates protein synthesis, insulin storage and release, functions in growth and development, wound healing, immunity, and antioxidant protection, involved in taste smell and appetite

A

Zinc

31
Q

a part of proteins needed for iron absorption, lipid metabolism, collagen synthesis, nerve and immune function, and antioxidant protection

A

Copper

32
Q

Functions in CHO and lipid metabolism and antioxidant protection

A

Manganese

33
Q

Kinky hair diseas

A

Menkes

35
Q

Spares vitamins E, involved in synthesis of thyroid hormones

A

Selenium

36
Q

Enhances insulin action

A

Chromium

37
Q

Related to nerve and muscle functions, fluid balance and acid base balance

A

Electrolytes

38
Q

Strengthens tooth enamel, enhances mineralization of tooth enamel, reduces mouth acid production

A

Fluoride

40
Q

Cofactor for a numb of enzymes

A

Molybdenum

41
Q

Functions of water

A

Solvent, transport, lube and protect, pH reg., serum osmolarity reg., body temp. Reg., chemical reactions

42
Q

ICF accounts for ___% body fluid

A

2/3

43
Q

Increases water reabsorption

A

Anti diuretic hormone

44
Q

DRI for chloride

A

AI 2300 mg

45
Q

AI for potassium

A

4700 mg

46
Q

Chemical substances that dissociate in water to form charged ions

A

Electeolytes

47
Q

Cofactor for 300 enzymes,necessary for generation of ATP, needed for ATPase pump

A

Magnesium

49
Q

Iron transport protein

A

Transferrin

50
Q

Neede for synthesis of thyroid hormone

A

Iodine

51
Q

AI of Ca for adolescents

A

1300mg/day

Nutrition (8 decks)

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