下列既属于病理产物又属于致病因素的是： ["六淫","结石","瘀血","痰饮","积食"]
影响心脏功能的主要因素是() ["A．感染和贫血","B．心脏前负荷","C．心肌收缩力","D．心脏后负荷","E．心肌的顺应性"]
B超检查适应证为()输卵管通液术适应证为() ["A．子宫内节育器嵌顿","B．探寻异常子宫出血原因","C．了解输卵管通畅情况","D．月经中、后期了解有无排卵，探寻不孕症原因","E．子宫内膜异位症分期"]
下列哪些因素可以影响心脏排血量() ["A．静脉压","B．静脉回流量","C．心率","D．心脏收缩力","E．交感神经兴奋"]
下列哪一种情况下心脏的排血量增加() ["A．动脉瓣狭窄","B．维生素B1缺乏","C．动静脉瘘","D．房间隔缺损","E．粘液性水肿"]
B超示0级胎盘表现为()B超示Ⅰ级胎盘表现为()B超示Ⅱ级胎盘表现为()
