单项选择题
A.不超过100ml B.不超过250ml C.不超过500ml D.不超过200ml E.不超过300ml
A.1% B.3% C.5% D.10% E.20%
A.钠离子浓度增高 B.库存血中血小板破坏 C.血钙降低 D.酸性增高 E.钾离子浓度增高