正位胸片中，颈部两侧向下延伸达肺尖内侧的纵行高密度阴影为（）

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问题单项选择题 A1/A2型题

A.皮下脂肪

B.胸大肌

C.胸锁乳突肌

D.锁骨上皮肤皱褶

E. * *

答案

参考答案：C

解析：胸大肌于两侧肺野的中外带形成扇形均匀致密影，其下缘清楚，呈一斜线与腋前皮肤皱褶相延续。

单项选择题

A female client has just been diagnosed with condylomata acuminata (genital warts). What information is appropriate to tell this client ？（）

A．This condition puts her at a higher risk for cervical cancer; therefore, she should have a Papanicolaou (Pap) test annually.

B．The most common treatment is metronidazole (Flagyl), which should eradicate the problem within 7 to 10 days.

C．The potential for transmission to her sexual partner will be eliminated if condoms are used every time they have sexual intercourse.

D．The human papillomavirus (HPV), which causes condylomata aeuminata, can't be transmitted during oral sex.

问答题案例分析题

某社区总人口为1000人，采用人群食物频率对该社区所有人过去1个月的食物消费进行了调查。在水果食物消费频率调查中，300人每天食用一次，500人每周食用一次，100人每月食用一次，还有100人未食用。

计算水果类食物的消费率。