苯乙烯的毒作用表现()。
A.对人眼及呼吸道黏膜刺激作用
B.对消化系统的损害
C.对中枢神经系统的损害
D.对血液及心脏的损害
E.对皮肤的损害
参考答案:A
多极放大器就是()。
A.由多个单级放大器组成的放大器
B.由多个三极管组成的放大器
Nursing care for a client after electroeonvulsive therapy (ECT) should include which of the following()
A. Nothing by mouth for 24 hours after the treatment because of the anesthetic agent.
B. Bed rest for the first 8 hours after a treatment.
C. Assessment of short-term memory loss.
D. No special care.