—Are these doctors and nurses tired, Mr. Smith?

—Yes. ________. They have been operating on the patient for at least 10 hours.

A．They’re exhausted!

B．You must be joking!

C．I’m not surprised!

D．They are really tired of it!

高钾血症出现心律失常首选的治疗措施为（）

A.停止一切钾盐的摄入

B.5%NaHCO溶液静脉推注

C.10%葡萄糖溶液加入静脉补液内滴注

D.25%葡萄糖溶液+胰岛素静脉推注

E.静脉推注利多卡因