主轴的弯曲度如何检查?
感染性休克伴腹膜炎() ["需紧急手术治疗","需待休克好转后才能手术治疗","待休克好转后手术治疗","一般不需手术治疗","一般不需特殊处理"]
关于贫血性心脏病,下列表现哪项不对() ["肺动脉段突出","左心房明显增大","双心室增大,以左心室为著","肺血正常或轻度增多","贫血纠正后,部分患者心影可恢复正常"]
下述慢性肺源性心脏病的胸片表现中,错误的是() ["肺部广泛纤维化","肺气肿","肺动脉段突出","右下肺动脉横径>10mm","右心室增大"]
下列关于育种优点的叙述,不正确的是() ["多倍体较二倍体茎杆粗大,果实种子大","杂交育种能产生新基因","人工诱变育种能提高变异频率","利用单倍体育种能明显缩短育种年限"]
手术基本操作(切开、止血、缝合、打结与拆线)