问题 单项选择题 A1/A2型题

有关肿瘤倍增时间的描述不正确的是()。

A.肿瘤的大小是决定肿瘤倍增时间的主要因素之一

B.细胞周期时间是决定肿瘤倍增时间的主要因素之一

C.细胞丢失速度是决定肿瘤倍增时间的主要因素之一

D.生长比例是决定肿瘤倍增时间的主要因素之一

E.不同类型肿瘤其倍增时间是不同的

答案

参考答案:A

解析:一个肿瘤的倍增时间由三个主要的因素决定:细胞周期时间、生长比例和细胞丢失速度。

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单项选择题

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A.with
B.alongside
C.on
D.for