Haematology revision Flashcards
macrocytic
increased RBC size
microcytic
decreased RBC szie so dont have enough haemoglobin
normocytic
normal sized RBC, just fewer of them so not enough haemoglobin
prothrombin time
time it akes for plasma to clot
which ion is an important co factor in coagulation cascade
calcium
what does aspirin inhibit
COX
what does cox lead to
formation of prostaglandins which induce swelling etc
primary v secondary hemostasis
platelet plug formation v fibrin clot formation
what does plasma consist of
proteins, electrolytes and clotting factors
order of blood culture constituents
Red blood cell at bottom, then white cells then platelets
what is at the bottom of the culture
red blood cells and white blood cells and platelets
serum
if clotting factors are removed from the blood- so its the liquid at the top
how is blood seperated
by spinning in a centrifuge
funciton of white blood cells
fight off infection
acellular components of blood
plasma
