第13题: [单项选择]A client exhibits confusion and severe memory loss. At 11:30 AM, he tells the nurse that he is going to work and proceeds to walk toward the door. Which of the following actions should be the nurse take 参考答案:C 答案解析:The client who is a fantasy or reminiscent wanderer can be helped most by diverting his attention to
第33题: [单项选择]患者女性,65岁,活动后疲劳、气短。心尖部闻及全收缩期吹风样杂音。彩色多普勒显示收缩期左心房内以蓝色为主的花彩血流,反流束面积与左心房面积的比值为45%,超声心动图诊断为() A. 二尖瓣反流,轻度 B. 二尖瓣反流,中度 C. 二尖瓣反流,重度 D. 三尖瓣反流,轻度 E. 三尖瓣反流,中一重度 参考答案:C 答案解析:心尖部全收缩期吹风样杂音是二尖面积的比值>40%,提示该患者二尖瓣反流为瓣关闭不全的听诊特点。彩色多普勒亦提示重度。该患者为二尖瓣反流。反流束面积与左心房。