Vitamins Flashcards Preview

Jason's Metabolism Block > Vitamins > Flashcards

Flashcards in Vitamins Deck (41):
1

Water soluble vitamins:

b,c

2

fat soluble vitamins:

a,d,e,k,

3

first vitamin discovered?

thiamine

4

vitamins are what compounds?

organic compounds with essential biochemical functions

5

what aids in fat soluble vitamin absorption?

bile

6

pancreas does what to help digestion?

digestive enzymes help release vitamin A

7

Bacteria make what vitamins?

K
biotin

8

Vitamin C stored?

Nope

9

Vitamin B2 is?

Riboflavin

10

Thiamine biological role?

carb, protein, fat metabolism
nerve function

11

Thiamine in starvation?

rapid depletion in 2 weeks

12

energy derived by aerobic metabolism of sugars and dependent on?

thaimin

13

Vitamin B3 is?

Niacin

14

beri beri characterized by?

weakness
paralysis
anaemia
wasting

15

wernicke-korsakoff syndrome is deficiency in?

thiamin

16

Vitamin B6 is?

Pyridoxine

17

B2 biological role?

electron carrier
carb, protein, fat metabolism

18

classic sign of riboflavin deficiency?

swollen magenta tongue

19

Role of Niacin

electron carrier (NADH, NADPH)
Carb, protein, fat metabolism

20

Deficiency of Niacin results in?

Pellagra

21

Vitamin B6 pyridoxine biological role?

amino acid metabolism

22

Biological role of Biotin?

adding CO2

23

How to get deficiency of Biotin?

if you eat lots of raw eggs

24

What antagonizes biotin?

Avidin

25

Folate biological role?

one carbon metabolism, purines for DNA

26

Folate deficiency give what in blood? in pregnancy?

macrocytic anaemia
neural tube defect

27

Tongue in folic acid deficiency?

Glossitis, red painful, shiny, smooth surface

28

Vitamin B12 biological role

folate metabolism, co enzyme cobalt

29

B12 deficiency gives?

pernicious anaemia
yellow-ish tint, smooth skin, premature grey, light coloured irises

30

Intrinsic factor need what to absorb?

parietal cells

31

Vitamin C biological role?

cofactor in collagen synthesis

32

vitamin C and colds?

useless

33

Vitamin A is half of beta-carotene to make?

Retinol
Retinal

34

Vitamin A is stored?

Liver

35

Xeropthalmia is?

dry eye from vitamin A deficiency

36

Vitamin D deficiency in kids?

rickets kids
osteomalacia in adult

37

Vitamin D derived from?

cholesterol

38

how much calcium do you lose per day?

1g/day via kidneys

39

Vitamin E does what biologically?

inserts into membranes and intercept free radicals

40

What is vitamin K used for?

prothrombin/blood clotting

41

what is haemorrhagic disease of newborn?

vitamin K deficiency because of sterile gut flora