根据肺毛细血管的直径,肺灌注显像时自静脉内注入放射性颗粒的直径应为A.1~6μmB.10~60μmC.100~600μmD.1~6mmE....

作者: rantiku 人气: - 评论: 0
问题 根据肺毛细血管的直径,肺灌注显像时自静脉内注入放射性颗粒的直径应为
选项 A.1~6μm B.10~60μm C.100~600μm D.1~6mm E.1~6cm
答案 B
解析 :由于肺毛细血管的直径约为10μm,故自静脉内注入10~60μm直径的放射性颗粒。
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