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Nutriton Exam 1 - Schloss > Water-Soluble > Flashcards

Water-Soluble Flashcards

1
Q

Retinoic Acid fxn

A

Gene expression

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2
Q

Retinol Fxn

A

reproduction and growth

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3
Q

Retinal fxn

A

vision

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4
Q

MC reason for hypovit. A

A

inadequate intake

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5
Q

1 nut. def. worldwide

A

vit. A

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6
Q

Other vit. A fxn (3)

A

glycoprotein synthesis, immune, bone dev., enzymes & growth factors

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7
Q

Hypovit. A symptoms (4)

A

VISION (night blindness, bitot’s spots, zerophthalmia)

Hyperkeratosis, dec. reproduction, more infxns

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8
Q

Acute hypervit. A symptoms (3)

A

N/V, Headache/dizzy, double vision

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9
Q

Chronic hyper vit. A symptoms (4)

A

dry, allopacia, joint/bone fractures, liver damage

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10
Q

Teratongenic affect of vit. A

A

craniofacial malform.

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11
Q

Sources of preformed vit. A

A

(retinol/retinol ester; active)

liver, meat, eggs, fortified dairy

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12
Q

Sources of proformed vit. A

A

(carotinoids)

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13
Q

Stepwise process of carotenoid breakdown (8)

A

carotenoid > retinal (ox) > retinoic acid > liver > acid reduced > retinol (esterified) > RE > chylomicrons

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14
Q

Stepwise process of vit. A absorption (5)

A

enterocyte (passive diffusion) > bound to CRBP > esterified via lecithin (LRAT) > RE > Chylomicrons

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15
Q

Vit. A digestion (4)

A

1) protein removed- Stomach SI (proteases)
2) FA removed- SI (lipases)
»>Free retinol/carotenoid > micelles

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16
Q

% vit A absorption

A

80

17
Q

Vit. A storage

A

50-80% (RE)- Liver

18
Q

Carotinoid: Vit A

A

10:1

19
Q

vit. D function

A

Cell differentiation/Growth

Ca/P homeostasis

20
Q

Plant version-Vit D

A

cholecalciferol

21
Q

Animal version- Vit D

A

Ergocalciferol

22
Q

High vit. D = ___ Ca

A

high. (kidney stones)

23
Q

Low vit. D = ___ Ca

A

low. (osteomalacia, rickets)

24
Q

4 H’s (Scurvy)

A

hemorrhagic, hyperkeratosis, hypochondriasis, hematologic

25
Q

Thiamin Def=

A

BeriBeri

26
Q

Thiamin =B_

A

1

27
Q

Acute beriberi: age

A

Babies

28
Q

Wet beriberi: age

A

Adults

29
Q

Dry beriberi: age

A

Geriatrics

30
Q

Riboflavin def=

A

ariboflavinosis

31
Q

Niacin def=

A

pellagra

32
Q

4 D’s of Pellagra

A

Dermatitis, dementia, diarrhea, death

33
Q

Panthathenic Acid def=

A

burning feet syndrome

34
Q

Coenzyme associated with thiamin

A

TDP

35
Q

Noncoenzyme associated with thiamin

A

TTP

36
Q

Riboflavin =B_

A

2

37
Q

Processes that require riboflavin

A

ETS, beta-ox, Krebs, synthesis of niacin and B6

38
Q

High vit. D=

A

hypercalcemia & hyperphosatemia

Nutriton Exam 1 - Schloss (4 decks)

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