Vitamins Flashcards

1
Q

Water soluble vitamins:

A

b,c

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2
Q

fat soluble vitamins:

A

a,d,e,k,

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3
Q

first vitamin discovered?

A

thiamine

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4
Q

vitamins are what compounds?

A

organic compounds with essential biochemical functions

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5
Q

what aids in fat soluble vitamin absorption?

A

bile

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6
Q

pancreas does what to help digestion?

A

digestive enzymes help release vitamin A

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7
Q

Bacteria make what vitamins?

A

K

biotin

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8
Q

Vitamin C stored?

A

Nope

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9
Q

Vitamin B2 is?

A

Riboflavin

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10
Q

Thiamine biological role?

A

carb, protein, fat metabolism

nerve function

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11
Q

Thiamine in starvation?

A

rapid depletion in 2 weeks

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12
Q

energy derived by aerobic metabolism of sugars and dependent on?

A

thaimin

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13
Q

Vitamin B3 is?

A

Niacin

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14
Q

beri beri characterized by?

A

weakness
paralysis
anaemia
wasting

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15
Q

wernicke-korsakoff syndrome is deficiency in?

A

thiamin

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16
Q

Vitamin B6 is?

A

Pyridoxine

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17
Q

B2 biological role?

A

electron carrier

carb, protein, fat metabolism

18
Q

classic sign of riboflavin deficiency?

A

swollen magenta tongue

19
Q

Role of Niacin

A
electron carrier (NADH, NADPH)
Carb, protein, fat metabolism
20
Q

Deficiency of Niacin results in?

21
Q

Vitamin B6 pyridoxine biological role?

A

amino acid metabolism

22
Q

Biological role of Biotin?

A

adding CO2

23
Q

How to get deficiency of Biotin?

A

if you eat lots of raw eggs

24
Q

What antagonizes biotin?

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