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问题 单项选择题

患者男性24岁，右下后牙区胀痛进食吞咽时加重4天，一天前出现局部自发性跳痛，张口受限。查右面颊部、下颌角区轻度肿胀，张口度二指，垂直低位阻生，表面牙龈红肿，新形成的龈袋内溢胀，咽侧壁稍充血、无明显压痛。

此患者如出现明显张口受限、以下颌角为中心出现肿胀、压痛，此时应考虑出现了（）。

A．颊间隙感染

B．咬肌间隙感染

C．腮腺区淋巴结炎

D．颌下间隙感染

E．翼颌间隙感染

答案

参考答案：B

解析：

咬肌间隔感染时出现以下颌角为中心的肿胀并明显张口受限，其它几项肿胀范围不符合。

解答题
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填空题

When you stop and think about your high school or college alma mater, were your experiences more positive or negative Do your feelings of (1) in that school have anything to do with whether or not your school was single-sex or coed (2) to send their children to single-sex schools, because they feel both (3) when they study in the company of students of the same sex. They (4) .
For years, only parents who could afford to send their children to private schools, or who had (5) , chose single-sex education for their children. Single-sex schooling was (6) for most American families. Today, however, along with (7) , public schools are experimenting with the idea of (8) .
Girls may be the ones who benefit most from single-sex schooling. Studies have shown that (9) in coed classrooms because teachers sometimes pay more attention to boys. Girls’ (10) toward their studies tends to disappear as they begin to feel less successful. They start to (11) outperform them in math and science. As boys (12) , girls start to lose it. Moreover, adolescence is (13) for girls. As they experience adolescent changes, some girls become depressed, develop an addiction, or suffer from (14) .
In the early 1990s, some influential people said that being in single-sex classes could (15) . Schools across the country began creating single-sex classrooms and schools. But many critics claim that (16) may actually be detrimental to a girl’s education because they (17) of sex differences.
The renewed interest in single-sex schooling (18) among Americans. Those who give it full endorsement believe girls need an all-female environment to take risks and find their own voices. Those who (19) of single-sex schooling wonder whether students’ lack of achievement warrants returning to an educational system that divides the sexes. They believe there is no (20) .
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