题型:问答题 简答题 下列与心力衰竭时心肌收缩功能障碍有关的是()A.肌浆网Ca释放量下降B.肌浆网Ca摄取能力减弱C.钠钙交换体Ca亲和力下降D.肌膜钙ATP酶活性下降E.肌球-肌动蛋白复合体解离障碍 查看答案
题型:问答题 简答题 Which is NOT a distress signal?()A.A continuous sounding with any fog signal apparatusB.A signal sent by radiotelephone consisting of the spoken word MaydayC.An International Code Signal of N.CD.The firing of green star rockets or shells 查看答案