PTA禁忌证是() ["A．狭窄段血管钙化","B．偏心性狭窄","C．狭窄段过长超过10cm","D．心肾功能不全","E．新近血管血栓形成"]
下列肿瘤的发生哪些与病毒有关() ["A．Burkitt淋巴瘤 ","B．肝细胞性肝癌 ","C．鼻咽癌 ","D．子宫颈癌 ","E．皮肤基底细胞癌 "]
运动点的确定
血管栓塞术的优点是() ["A．栓塞后综合征","B．术前栓塞，便于手术中分离切除，术中出血少","C．止血快速简便，创伤小","D．姑息治疗，控制肿瘤","E．坏疽"]
时值
兴奋(剌激)阈
