A.Na+ B.K+ C.Ca2+ D.Mg2+ E.Zn2+
A.40mmol/L B.35mmol/L C.30mmol/L D.8mmol/L E.16mmol/L
A.45~55mmHg B.30~40mmHg C.45~50mmHg D.35~45mmHg E.35~40mmHg