哪项不是舒张性心力衰竭的特点() ["A．心肌肥厚","B．左室射血分数降低","C．左室舒张期充盈降低","D．超声心动图E峰<A峰","E．心腔大小正常"]
带铜宫内节育器的作用()口服短效避孕药的作用()口服探亲避孕药的作用()米非司酮的抗早孕作用() ["A．非细菌性异物反应","B．减少子宫内膜前列腺素产生","C．抑制排卵","D．与孕激素竞争受体，阻断孕酮与受体结合和孕激素活性的出现","E．改变子宫内膜的形态与功能，使宫颈黏液变稠，不利于精子穿透和受精卵着床"]
下列能最准确测定左室射血分数的方法是() ["A．超声心动图","B．心脏核素检查","C．左室造影","D．右心导管检查","E．无创心功能仪"]
血管扩张剂治疗心力衰竭最通常发生的严重副作用是() ["A．心率增快","B．钠水潴留","C．心肌收缩力下降","D．血压降低","E．心律失常"]
左心衰发展至全心衰，下列哪项临床表现描述是错误的() ["A．三尖瓣区收缩期杂音","B．发绀增加","C．咯血减少","D．肺淤血加重","E．P减弱"]
放置IUD，炎症细胞的作用是()放置IUD，前列腺素的作用是()
