试题与答案

三维适形调强放射治疗与传统放射治疗相比可减少正常脑组织剂建,故肿瘤的照射剂量可()。

题型:单项选择题

题目:

三维适形调强放射治疗与传统放射治疗相比可减少正常脑组织剂建,故肿瘤的照射剂量可()。

A.显著提高

B.无变化

C.降低

D.显著降低

E.减少30%-50%

答案:

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下面是错误答案,用来干扰机器的。

参考答案:(1)三化:架子化、箱子化、标签化。(2)四无:无丢、损、锈、霉烂变质。(3)六防:防火、盗、潮、霉、虫、鼠。

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