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Nutr 251 > Vitamins > Flashcards

Vitamins Flashcards

1
Q

Vitamin D - Function

A

maintain blood levels of calcium & phosphorus

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2
Q

Vitamin D - sources

A

fortified foods & fatty fish

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3
Q

Vitamin D - active form

A

calcitriol activated by kidneys

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4
Q

Vitamin D - deficiency

A

rickets

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5
Q

Vitamin C - function

A

antioxidant & collagen synthesis

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6
Q

Vitamin C - sources

A

citrus fruit & red/green peppers

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7
Q

Vitamin C - deficiency

A

scurvy

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8
Q

Vitamin A - family

A

carotenoid (beta-carotene) & retinoids (retinol, retinal, and retinoic acid)

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9
Q

Vitamin A - functions

A

blindness, gene expression and cell differentiation, immune system, growth and development, antioxidants

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10
Q

Vitamin A - sources

A

beta-carotene: sweet potato
retinoids: liver, milk, fortified foods

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11
Q

Vitamin A - deficiency

A

blindness

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12
Q

Vitamin E - common form

A

alpha-tocopheral

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13
Q

Vitamin E - function

A

antioxidant

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14
Q

Vitamin E - sources

A

seeds, seed oils, almonds

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15
Q

Thiamin (B1) - coenzyme

A

TPP

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16
Q

Thiamin (B1) - function

A

glycolysis - decarboxylation

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17
Q

Thiamin (B1) - food source

A

grains

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18
Q

Thiamin (B1) - deficiency

A

BeriBeri & Wernicke Korsaffe

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19
Q

Vitamin K - function

A

activation of blood clotting

20
Q

Vitamin K - sources

A

dark green leafy vegetables

21
Q

Vitamin K - deficiency causes

A

prolonged use of antibiotics & intestinal diseases

22
Q

Riboflavin (B2) - coenzyme

A

FAD

23
Q

Riboflavin (B2) - function

A

redox reactions

24
Q

Riboflavin (B2) - sources

A

grains

25
Q

Riboflavin (B2) - deficiency

A

ariboflavinosis

26
Q

Light sensitive vitamin

A

Riboflavin (B2)

27
Q

Pyridoxine (B6) - coenzyme

A

PLP

28
Q

Pyridoxine (B6) - sources

A

seeds & garbanzo beans

29
Q

Pyridoxine (B6) - function

A

amino acid metabolism - transamination

30
Q

Biotin (B7) - function

A

carboxylation

31
Q

Biotin (B7) - sources

A

widespread in foods

32
Q

Folate (B9) - function

A

1-carbon transfer: DNA synthesis

33
Q

Folate (B9) - sources

A

dark green leafy vegetables

34
Q

Folate (B9) - deficiency

A

elevated blood levels of homocysteine & neural tube defects

35
Q

Niacin (B3) - coenzyme

A

NAD

36
Q

Niacin (B3) - function

A

redox reactions

37
Q

Niacin (B3) - sources

A

grains

38
Q

Niacin (B3) - deficiency

A

pellagra

39
Q

Niacin (B3) - toxicity

A

tingling

40
Q

Cobalamin (B12) - coenzyme

A

methylcobalamin

41
Q

Cobalamin (B12) - function

A

1-carbon transfer: DNA regulation

42
Q

Cobalamin (B12) - source

A

animal origin

43
Q

Cobalamin (B12) - deficiency

A

pernicious anemia

44
Q

what vitamin requires intrinsic factor to be digested?

A

Cobalamin (B12)

45
Q

Pantothenic acid (B5) - coenzyme

A

Coenyzme A (CoA)

46
Q

Pantothenic acid (B5) - sources

A

widespread

Nutr 251 (2 decks)

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