下列哪项是充血性心力衰竭的表现() ["A．左室舒张末期容量减少","B．心搏出量下降","C．中心静脉压升高","D．循环血容量增加","E．循环时间延长"]
入侵经络、筋骨而致痹证之邪主要有： ["寒邪","火气","痰饮","湿邪","风邪"]
男，70岁，患高血压20年，进行性心慌、气短。下列哪项对诊断左心功能不全有帮助() ["A．主动脉瓣区第二心音亢进","B．右肺部散在干、湿啰音","C．阵发性夜间呼吸困难","D．双下肢水肿","E．心尖区奔马律"]
一开始即表现为左、右心衰的疾病常见于() ["A．肺心病","B．冠心病","C．心肌炎","D．心肌病","E．甲亢"]
以下哪种治疗措施可以减轻心脏负荷() ["A．硝酸盐制剂","B．利尿","C．休息","D．控制钠盐摄入","E．维持窦性心律"]
如图，为胎儿一大血管结构，图中为弧形并可见分支的管道结构为称______。
