产伤性骨折中,最常见的类型是() ["颅骨骨折","锁骨骨折","肱骨骨折","股骨骨折","骨盆骨折"]
原发性骨肿瘤的发生率为()。 ["10%~15%","5%~10%","1%~2%","2%~3%","3%~5%"]
下面哪种检查方法最有助于确诊动脉瘤() ["头颅CT","头颅CTA","头颅MRI","头颅MRA","全脑DSA"]
女性,20岁。反复下肢出现紫癜伴月经量增多1年,下列何项对原发性血小板减少性紫癜的诊断最有价值() ["多次血小板计数低于100×109/L","脾不肿大","骨髓巨核细胞数正常或增多伴有成熟障碍","血小板相关抗体阳性","激素治疗有效"]
诊断脂肪栓塞的要点有()。 ["呼吸困难和意识障碍,Pa02下降","皮肤和粘膜出血","血红蛋白降低,血小板减少,血沉增快","尿中脂肪滴,血液中游离脂肪酸增加","胸片呈现不均匀的密度增加"]
外科手术结扎