Vitamins Flashcards

1
Q

alternative name for Vit A?

A

retinol

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2
Q

low vit A leads to what?

A

night blindness

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3
Q

alternative name for Vitamin B1

A

thiamine

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4
Q

why does low Vit B1 affect highly aerobic tissues?

A

vit B1 catabolises sugars and amino acids

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5
Q

when there is low Vit B1,
which organs are affected?
-3

and what is the disease for each organ called?
-3

A

brain - wernicke korkasoff syndrome
heart - wet beri beri (high HR)
nerve - dry beri beri

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6
Q

cause of low B1?

-2

A

alcohol excess

malnutrition

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7
Q

alternative name for vitamin B3?

A

niacin

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8
Q

alternative name for vitamin B6

A

pyridoxine

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9
Q

which amino acid is a precursor to vit b3?

where does this conversion happen in the body?

A

tryptophan

liver

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10
Q

the amino acid that is a precursor to vit b3 is called what?

what else is this amino acid a precursor to?
- 2

A

tryptophan

serotonin
melatonin

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11
Q

which disease decreases conversion of tryptophan into vit B3?

is this disease recessive or dominant?

A

hartnup’s disease

recessive

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12
Q

which syndrome converts more tryptophan into a particular chemical compound as opposed to vit B3?

what is this particular chemical compound?

A

carcinoid syndrome

serotonin

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13
Q

low niacin leads to what disease?

the disease is marked by the 3D’s, what are they?

A

pellagra

dermatitis, diarrhoea, dementia

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14
Q

low Vit b6 can be caused by what drug?

what is this drug trying to treat?

A

isoniazid therapy

TB

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15
Q

low vit B6 commonly leads to which disorders?

A

peripheral neuropathy & sideroblastic anaemia.

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16
Q

alternative name for vitamin C?

A

ascorbic acid

17
Q

vitamin C hydroxylates what amino acid?

this hydroxylation leads to synthesis of what protein important in connective tissues?

A

proline

collagen

18
Q

vit C aids absorption of what mineral?

A

iron

19
Q

low vit C leads to what disease associated with bleeding?

A

scurvy