急性心肌梗塞发生猝死最常见的原因是（）

A.阵发性室性心动过速

B.心房颤动

C.心室颤动

D.三度房室传导阻滞

E.频发性室性早搏

A client on an inpatient psychiatric unit at a community mental health center is pacing up and down the hallway. The client has a history of aggression. Which response by the nurse would be best when approaching the client（）

A. "If you can’t relax, you could go to your room. "

B. "Would you like your antianxiety medication now"

C. "You’re pacing. What’s going on"

D. "Let’s go play a game of pool. "