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AIM - Nutrition > Nutrient basics > Flashcards

Nutrient basics Flashcards

1
Q

Vit C fxn

A

antioxidant
protein/NT metabolism
nonheme iron absorption
collagen synthesis

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2
Q

Vit C deficiency causes

A

scurvy

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3
Q

vit C toxicity

A

incr risk of oxalate kidney stones

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4
Q

thiamine fxn

A

cofactor:

  • PPP
  • pyruvate DH (lactate)
  • synthesis of ACh, GABA
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5
Q

thiamine deficiency causes

A

beriberi

Wernicke-Korsakoff

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6
Q

thiamine found in

A

grains, legumes, pork

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7
Q

niacin fxn

A

NAD, NADPH synthesis

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8
Q

niacin deficiency causes

A

pellegra

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9
Q

niacin sythesized from

A

tryptophan

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10
Q

niacin souces

A

corn

meats, nuts, grains

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11
Q

folate fxn

A

nucleotide synthesis

methylation

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12
Q

folate deficiency

A
  • neural tube defects

- megaloblastic anemia

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13
Q

B12 fxn

A

cofactor

  • homocysteine –> methionine
  • succinyl coA
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14
Q

B12 deficiency

A

megaloblastic anemia
Neuropathies
Glossitis

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15
Q

vit A fxn

A

Vision
Cell differentiation
Immunity
Bone growth

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16
Q

vit A deficiency

A

impaired night vision
impaired vision
impaired immunity

17
Q

vit A toxicity

A 
headache
dizziness
Cirrhosis
Teratogenicity
Osteoporosis
18
Q

vit A sources

A

retinol: fish, liver, dairy

Carotenoids: fruits, vegetables, fats, oils

AIM - Nutrition (3 decks)

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