Vitamin K (Phylloquinone) Flashcards
1
Q
why is vitamin k important
A
for synthesis of some of the proteins involved in blood coagulation
1
Q
what are the sources of vitamin K
A
large intestinal bacteria
green vegtables
soya beans
potatoes
meat
green tea
2
Q
in infants long term vitamin k treatment can cause
A
hypolytic anemia and juancide
and has a high effect on erthrocyte membranes
3
Q
thrombin converts ________ to _________ as a result when calcium binds to the y-carboxylglutamte residues in coagulation proteins
A
fibrinogen to fibrin
4
Q
what is warfarin (anticoagulant)
A
is a syntheic compound which stops the formation of prothrombin so no excess blood clooting
