抢救过敏导致的心脏骤停最重要的治疗措施为()
A.大剂量静注肾上腺素
B.大剂量静注去甲肾上腺素
C.立即心肺复苏
D.提供足够的血容量和通气
E.皮质醇治疗
参考答案:C
生物与其生存环境之间相互作用的变化所导致的部分或整个生物群体遗传物质的一系列不可逆转的改变,这是指()。
____ Johnny says sounds right to Helen. That’s why she has made up her mind to live with him ____ happens.
A.Whatever; whatever
B.Whatever; however
C.No matter what; whatever
D.No matter what; no matter what