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Flashcards in Vits and minerals Deck (98)
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1

Folate pathway

draw it

2

What are the roles of vitamins in the body? (3)

Cofactors
Regulation
Antioxidants

3

What is a dietary reference intake?

General term for a set of reference values used to plan and assess nutrient intakes of healthy people

4

What is an RDA (recommended dietary allowance)?

avg daily level intake sufficient to meet needs

5

What is AI (adequate intake)?

Established when evidence is insufficient to develop an RDA, and set at a level to ensure nutritional adequacy

6

What is EAR (estimated average requirement)?

Expected to satisfy the needs of 50% of the people in that age group based on scientific literature

7

How many cups of veggies do you need?

2.5

8

How many ounces of grains do you need?

6 oz

9

How many cups of fruit?

2

10

How many cups of dairy?

3

11

how many oz of protein foods?

5.5

12

What happens to the need for micronutrients as you age?

increase

13

Which B vitamins have a TUL?

B3 and B6

14

What is B1?

Thiamin

15

Which water soluble vitamins can be broken down?

B, not C

16

What is Vitamin C needed for?

Collagen synthesis
Hydroxylation rxns

17

Is vit C a coenzyme?

No

18

Is vit C an antioxidant? Oxidant?

Yes to both

19

What is the effect of Vit C with Fe?

Increases absorption

20

What is the role of thiamin, niacin, riboflavin, pantothenic acid, and biotin?

Degrade CHO and fats in Krebs cycle

21

Which B vitamins is involved in protein and AA breakdown?

B6

22

What is folate needed for?

Biosynthesis of DNA

23

B12 catalyzes which rxn?

Remethylation of homocystiene to methionine

24

PLP (B6) is used in which rxn?

Amino acid nitrogen transfers

25

Which AA metabolism requires folic acid?

S
G
M
H

26

What vitamin is required for myelin sheath production

B12

27

What is the role of folate/B12?

One carbon transfer

28

B12 deficiency leads to what?

pernicious anemia

29

Folate deficiency causes what?

Megaloblastic anemia

30

Cobalamin contains what ion?

Cobalt ion in a ring structure