Mary isn't active, she is ____________.[ ]
A. smart
B. active
C. quiet
答案：C
某心性水肿患者，用地高辛和氢氯噻嗪治疗，2周后患者出现多源性室性早搏，其主要原因是
A．低血钾 B．低血钙 C．低血钠 D．高血镁 E．低氯碱血症
