长江三峡水库建成后，正常蓄水位175m，总库容可达4×1010m3，在水面下150m深处水产生的压强为_______Pa。
1.5×106
患者，男性，62岁。心电图示：P波消失，QRS波形态正常，R-R间期完全不规则，心室率150/min，极不规则。根据心电图判断患者的心律失常类型为
A．窦性心动过速B．室内差异性传导C．频发房性期前收缩D．心房颤动E．病态窦房结综合征
The nurse is teaching a psychiatric client about her prescribed drugs, chlorpromazine and benztropine. Why is benztropine administered（）
A. To reduce psychotic symptoms.
B. To reduce extrapyramidal symptoms.
C. To control nausea and vomiting.
D. To relieve anxiety.
