垂体瘤的照射野较合理布野方法；() ["A．额前野","B．双颞侧野","C．额前野+头顶部","D．双颞侧野+额前野","E．双颞侧野+额前野+头顶部野"]
全中枢神经系统放射治疗野间隔的宽度最合理的处理方法是() ["A．不设间隔以防病灶遗漏","B．不设间隔但每照射1000cGy上下移动一次交接处","C．间隔1cm，每照射1000cGy，上下移动一次交接处","D．根据SSD射野长度和病灶深度计算间隔的宽度","E．间隔2cm或以上，以防照射区重叠造成脊髓损伤"]
为什么不提倡输全血，而提倡成分输血?
膝关节侧副韧带损伤可有() ["A．局部局限性压痛","B．膝关节松弛","C．膝关节研磨试验阳性","D．膝关节侧向试验阳性","E．抽屉试验阳性"]
下列组合中，错误的是() ["A．肱骨与桡骨——肘关节","B．掌骨与指骨——指间关节","C．锁骨与肩峰——肩锁关节","D．锁骨与胸骨——胸锁关节","E．股骨与胫骨——膝关节"]
为什么说全血并不“全”?
