男性,45岁。低热、咳嗽、痰血1月就诊。胸部X线检查见左上肺球形病灶,2cm×2.5cm大小,其中隐约见透亮区。() ["肺门体层摄片","气管体层摄片","病灶体层摄片","支气管体层摄片","侧后倾斜体层摄片"]
婴儿生理性贫血的时间是出生后() ["1个月","2~3个月","4~6个月","7~9个月","10个月后"]
99mTc-MDP骨骼显像的原理是() ["化学吸附","细胞吞噬","通透弥散","选择性浓聚","选择性排泄"]
患急性心肌梗塞时,特异性升高的肌酸激酶同工酶是() ["CK-BB","CK-MM","CK-MB","CK-MB和CK-BB","CK-MB和CK-MM"]
女性,28岁。因体检发现肺门淋巴结肿大,疑为结节病,结核待排除,要求进一步检查。() ["A.肺门体层摄片","B.气管体层摄片","C.病灶体层摄片","D.支气管体层摄片","E.侧后倾斜体层摄片"]
续灌和轮灌渠道有何优缺点其设计流量计算方法有什么不同?