女性,8岁。2周前患麻疹,3d前突然牙龈出血,口腔有血泡就诊。化验:Hb110g/L,血小板12×109/L,WBC5.2×109/L,拟诊为急性型ITP。关于此病下列哪项说法是正确的() ["发病无年龄差异","以女性更为多见","血小板计数通常在(30≥80)×10/L之间","脾切除为首选治疗","病程有自限性,90%病人在半年内自愈"]
了解骨肿瘤对软组织、软骨的破坏情况,最好选择()。 ["X线片","CT","MRI","骨扫描","以上均可"]
破伤风常见的并发症是指()。 ["角弓反张","窒息","酸中毒","高热","循环衰竭"]
"正常灌注压突破"最常发生于哪种病变手术中() ["颅内巨大动脉瘤","硬脑膜动静脉瘘","脑动静脉畸形","颈动脉海绵窦瘘","烟雾病"]
过期产儿的定义是() ["妊娠超过42周出生的新生儿","妊娠超过42周且体重大于4000g者","出生体重超过4000g","出生体重在该胎龄体重的第90百分位以上者","出生体重超过4000g"]
手术区消毒范围的确定