Vitamins Water Soluble Flashcards

1
Q

Water soluble B vitamines

- significance?

A
Thiamin (B1)
Riboflavin (B2)
Niacin (B3)
- E releasing vitamins
- all are involved in glycolysis/krebs cycle
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2
Q

Where are these founds?
Thiamin
Riboflavin
Niacin

A

Thiamin: pork, legumes

Riboflavin: dairy, eggs, meats

Niacin: meat/poultry, tryptophan (precursor)

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3
Q

Types of Thiamin (B1) deficiency

A

Beriberi: nervous + cardiovascular system

  1. “Dry”
  2. “Wet”
  3. Wernicke-Korsakoff
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4
Q

Dry Beri beri sx

A

peripheral neuropathy, weakness + atrophy

Foot drop

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5
Q

Wet Beri Beri sx

A

edema, circulatory collapse, CHF

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6
Q

Wernicke-Korsakoff sx

A

confusion
OPHTHALMOPLEGIA
Ataxia
memory loss

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7
Q

Riboflavin (B2) deficiency findings

A

(due to low dairy, animal products)

Cheilosis (cracked lips)
Angular stomatitis (lesions on side of lips)
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8
Q

Niacin (B3) deficiency who’s at risk

A

“Pellagra”

  1. Nutritional/dietary restriction
    - cornmeal based diet
    - Food faddism/restriction (rice diet)
    - breastfed infant of deficient mother
  2. Malabsorption syndrome
  3. Alcoholism
  4. Metabolic “shunting” –> increased 5’HT –> decreased Tryptophan
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9
Q

Pellagra 4 D’s

A
  1. Diarrhea
  2. Dermatitis
    - “Casal’s necklace”
  3. Dementia
    - confusion, dizzy, hallucination
  4. Death

*Niacin B3 def.

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10
Q

B complex vitamins

A

“hematopoietic”
Folate
VIt B12

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11
Q

Sources of folic acid

A

“foliage” deep green veggies
OJ
Whole grains

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12
Q

What type of vitamin def leads to macrocytic anemia (High MCV) + hypersegmented neutrophils?

A

Folate + VIt B12

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13
Q

Which VIt is necessary for the conversion of homocysteine –> methionine?

A

B12 (cobalamin)

  • very intimately related to folate
  • problem for vegans
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14
Q

Which vitamin has neurological disturbances

+ macrocytic anemia and hypersegmented neutrophils

A
VIt B12
Neuro disurbances:
-depression, 
- paresthesias, 
- gait 
- disturbances, 
- burning tongue, 
- dizziness
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15
Q

Fxns of Vit C (Ascorbic acid)

A
  1. Reversible antioxidant, Vit E
  2. Reducing equivalents to enzymes
  3. Leukocyte fxn (increase WBC)
  4. Cosubstrate in hydroxylation
    - collagen synth
  5. Conversion of DA –> NE
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16
Q

Which vitamins involve skin findings?

A
Niacin
Vit C
\_\_\_\_\_\_
(A)
K
17
Q

Which vit involve mouth findings?

A
Ribo
Vit C
Folate
B12
\_\_\_\_\_
18
Q

Which vit involve neuro findings?

A
Thiamin
(C)
B12
\_\_\_\_\_
E
19
Q

Which Vitamins involve anemia?

A
Vit C
Folate
B12
\_\_\_\_\_
E
(K)
20
Q

Which Vitamins present with these “other” sx?

-CHF

A

Thiamin

21
Q

Which Vitamins present with these “other” sx?

- eyes

A

Riboflavin

22
Q

Which Vitamins present with these “other” sx?

- Diarrhea

A

Niacin

23
Q

Which Vitamins present with these “other” sx?

- Joint pain

A

Vit C

24
Q

Which Vitamins present with these “other” sx?

- eyes + bindness

A

Vit A

25
Q

Which Vitamins present with these “other” sx?

- Rickets

A

Vit D

26
Q

Which findings do Vit C def present with?

A
All of them
Skin
Mouth
Neuro
Anemia
Joint pain