Vitamins Flashcards
alternative name for Vit A?
retinol
low vit A leads to what?
night blindness
alternative name for Vitamin B1
thiamine
why does low Vit B1 affect highly aerobic tissues?
vit B1 catabolises sugars and amino acids
when there is low Vit B1,
which organs are affected?
-3
and what is the disease for each organ called?
-3
brain - wernicke korkasoff syndrome
heart - wet beri beri (high HR)
nerve - dry beri beri
cause of low B1?
-2
alcohol excess
malnutrition
alternative name for vitamin B3?
niacin
alternative name for vitamin B6
pyridoxine
which amino acid is a precursor to vit b3?
where does this conversion happen in the body?
tryptophan
liver
the amino acid that is a precursor to vit b3 is called what?
what else is this amino acid a precursor to?
- 2
tryptophan
serotonin
melatonin
which disease decreases conversion of tryptophan into vit B3?
is this disease recessive or dominant?
hartnup’s disease
recessive
which syndrome converts more tryptophan into a particular chemical compound as opposed to vit B3?
what is this particular chemical compound?
carcinoid syndrome
serotonin
low niacin leads to what disease?
the disease is marked by the 3D’s, what are they?
pellagra
dermatitis, diarrhoea, dementia
low Vit b6 can be caused by what drug?
what is this drug trying to treat?
isoniazid therapy
TB
low vit B6 commonly leads to which disorders?
peripheral neuropathy & sideroblastic anaemia.
