Hematolgic system WEEK 5 9/25 neurlogical disorders

comp of blood

91% water 9% solutes

plasma (proteins, water, solutes)

formed elements (rbc wbc platelets)

rbc

function-oxygen co2 transported

wbc

function-immune system defense against pathogens

platlets

function-clot formation

plasma

transport susbtances, maintain blood volume

hemoglobin

oxygen binding and transport

clotting factors

clot stabalizion

pediatrtics and blood

blood cell counts increase above adult levels at birth

tramua at birth and cutting umbilical cord

the hypoxic intrauuatrine enviomrnet stimulates erythtopoietin production

reults in polycythemia

new born at risk for

impaird phagocytyiss

bacterial infections

delyard wound healing

erythocyte lifesoan is normal but

eyrthocytes are replaced more slowly caused by iron defiency iron depletion