下列哪项能完全排除完全性葡萄胎的诊断（） ["A.妊娠试验阴性","B.子宫大于妊娠月份","C.停经后阴道出血","D.超声多普勒闻及胎心搏动","E.卵巢黄素化囊肿"]
嘌呤环中的N7来源于（） ["A1A","ASp","Gln","GIu","Gly"]
房颤患者心室律变得规则可能是（） ["发生房室交界区性心动过速","转变为房扑","室性心动过速","转变为房性心动过速","恢复窦性心律"]
治疗急性心肌梗死的首要目标是（） ["控制血压","缓解疼痛","尽快再灌注治疗，开通梗死相关血管","抗心力衰竭治疗","抗心律失常治疗"]
脉来有胃气的脉象特征是（） ["徐和从容","有力柔和","节律一致","不浮不沉","不大不小"]
试述前列腺增生症的诊断要点。
