题目内容

Adults aged spend 7.8 hours on leisure activities on an average day ,which is more than any other

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People aged 75 and over spend on average 60 minutes per weekend day, while the figure for the 15-to-19-year-old is only per weekend day.

前列腺癌的肿瘤标志物是

A. CEA
B. AFP
C. AFP
D. PSA
E. CA125

患者，男性，36岁，前列腺液显微镜检发现：磷脂酰胆碱小体数减少，占视野1/4,结果可报告为

A. +++++
B. ++++
C. +++
D. ++
E. +

正常前列腺液为

A. 无白细胞
B. 呈稀薄黄色
C. 无磷脂酰胆碱小体
D. pH 7.3 ~ 7.5
E. 数滴至 2m1/次