Vitamins Flashcards

0
Q

Source of niacin

A

Tuna

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1
Q

Good source of riboflavin

A

Milk

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2
Q

Thiamin RDA for men

A

1.2mg/day

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3
Q

Function of thiamin

A

Energy metabolism

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4
Q

Thiamin deficiency

A

Beriberi
Acute - edema
Chronic - muscle wasting

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5
Q

Thiamin toxicity

A

None known

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6
Q

Source of thiamin

A

Pork chop

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7
Q

Riboflavin RDA for men

A

1.3mg/day

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8
Q

Riboflavin function

A

Energy metabolism

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9
Q

Riboflavin deficiency

A

Ariboflavinosis
Inflamed eyelids, sensitivity to light, reddening of cornea
Cracks and redness at corner of mouth
Purplish red tongue

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10
Q

Riboflavin toxicity

A

None reported

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11
Q

Niacin RDA

A

16 mg/day

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12
Q

Niacin function

A

Energy metabolism

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13
Q

Niacin deficiency symptoms

A

Pellagra (sour skin)
4 D’s:
Diarrhea, Dermatitis, Dementia, Death

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14
Q

Niacin toxicity symptoms

A

Niacin flush

Painful flush, hives, and rash (only with supplements)

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15
Q

Biotin adequate intake

A

30 g/day

16
Q

Biotin function

A

Energy metabolism

17
Q

Biotin deficiency

A

Rarely occurs - hair loss, scaly skin

18
Q

Biotin toxicity

A

None reported

19
Q

Biotin sources

A

Widespread in foods

20
Q

Role of folate

A

•Chief Functions:
–Coenzyme in DNA synthesis
–Activates Vitamin B12

21
Q

Folate RDA

A

.4 mg/day

22
Q

Folate deficiency

A

–Megaloblastic Anemia (large-cell type)

–Mental confusion, weakness, fatigue, irritability, headache

23
Q

Folate toxicity

A

Masks vit. B12 deficiency symptoms

24
Q

Folate source

A

Lentils

25
Q

B12 RDA

A

2.4 micrograms/day

26
Q

B12 function

A

Helps to maintain nerve cells

27
Q

Vit. B6 RDA

A

1.3mg/day

28
Q

Vit. B6 function

A

Transfers amine group to make non essential AA’s

29
Q

Vitamin B6

•Deficiency symptoms

A

–loss of some amino acids – can’t make them

–Depression, confusion, abnormal brain wave pattern, convulsions

30
Q

Vit. B6 •Toxicity symptoms

A

–Nerve damage causing numbness and muscle weakness leading to an inability to walk and convulsions

31
Q

Vit. B6 source

A

Soy burger

32
Q

B12 deficiency

A

Pernicious anemia

33
Q

B12 toxicity

A

None reported

34
Q

B12 food source

A

Animal products