脑复苏时。为防止脑组织发生不可逆损伤，脑循环血量最低应保持在
A．25%
B．20%
C．10%
D．15%
E．5%
参考答案：D
什么是经营者的召回义务？
For a client with suspected increased intracranial pressure (ICP), a most appropriate respiratory goal is to（）
A. prevent respiratory alkalosis.
B. lower arterial pH.
C. promote carbon dioxide elimination.
D. maintain partial pressure of arterial oxygen (PaO2) above 80 mmHg.
