vitamin C Flashcards
(23 cards)
what is the name of the vitamin C
L ascorbic acid
what does destroy Vit C in the nature
1- heat
2- storage
what are the product of metabolismed L ascorbic acid
oxalic acid
what happens to the oxalic acid in the body
it combine with the Ca and make calcium oxelate stones in the kidney
what are the problems that is caused by vit C toxicity
kidney stones calcium oxilate stones
what is the effect of the vitamin C on the collagen
the vit C is required to make collagen so in the case of of the vit C difenciency all the collagen production will be distrubted
what is the effect of the vit C dificiency on the collagen type 1
it is will effect the bones formation and the teeth too
what is the effect of the vit C dificiency on the collagen type 2
it will effect all the cartilage in the body
what is the effect of the vit C dificiency on the collagen type 3
it is mainly going to effect the capillaries frgilty so you will see bleeding in the gum
what is the effect of the vit C dificiency on the collagen type 4
it will effect the basement cells of the tissues
what is the effect of the vit C dificiency on the collagen type 5
it will cause hair loose or crulled and it will effect the placenta formation
how does the vit C difiecency will effects the blood cells
it will effects the cytoskeleton of the cells
how does the vit C difecenvy cause iron anemia
because it is needed for iron apsorbtion
how we can befits from the ablity of the vit c to from ferratin
well we can use it to heal metheoglobinemia
why vit C dificiency cause delay in the healing the wounds
because 1- meatabolism of the B9 and folic acid to –form DNA needs vit C as co factor so less vitamin C less DNA systhsis
2- the fibroblast is a collagen type cell
what are the symptoms of the scurvy
1- late teeth formation or losing them 2- bone defect 3- delay wound healing 4- swallon bleeding gum 5- crulled hair or losing it 6- iron def anemia 7- capillary frgility cause edema 8 - weaken immunity ' 9- painful glosstis
what kind of edema are possible in the scurvy
1- subperiostial hem specaill in the eye orbit
2- parafallicular hem
3-petechial hem
what happens to the bleeding time and prothrombin time in vit C def
high bleeding time
normal pt
which hormone does the vit C act like
it acts like oxytosin
how could iron over load leads to scurvy
all the vit C get used by the absurption
what is the relation between the vit C and the cetalmines
it is needed in the metablism o f the tyrosine which is the amino acid that makes catalmines
what is alkaptonuria
is a genetic disorder that happens due to lack of enzyme that inter in the tyrosine + phemaloline that cause black urine and black pigmention in skin eye cartillage
which disoreder could vit C resable its symptoms
alkaptonuria
