问题 单项选择题 A1型题

下列表现都可能出现在VKH(葡萄膜大脑炎),但哪一种最具特征性()。

A.晚霞状眼底

B.D-F结节

C.脱发,皮肤出现白斑

D.病变慢性,迁延不愈

E.双眼发病

答案

参考答案:C

解析:VKH的一个重要病理改变就是疾病过程中对色素上皮的攻击,因此凡是色素上皮比较丰富的部位都可能成为攻击的靶组织。因此临床上可能首先头皮疼痛,毛发脱落或白发,眉毛脱落,葡萄膜炎症。这些地方都有丰富的色素细胞。类似的晚霞状眼底还可能见于交感性眼炎、白种人、高度近视患者等。

单项选择题
单项选择题

If men are from Mars and women are from Venus, it may explain at least one of their shared beliefs: Men and women can’t be real friends. Many may point to the jealousy that plagues many rational people when a significant other befriends someone of the opposite sex. Boil it down to the inherent differences between the sexes. It just can’t be done. Is it right

Wrong, say relationship experts. "The belief that men and women can’t be friends comes from another era in which women were at home and men were in the workplace, and the only way they could get together was for romance," explains Linda Sapadin, Ph. [D], a psychologist in private practice in Valley Stream, New York. "Now they work together and have sports interests together and socialize together." This cultural shift is encouraging psychologists, sociologists and communications experts to put forth a new message: though it may be tricky, men and women can successfully become close friends. What’s more, there are good reasons for them to do so.

Society has long singled out romance as the prototypical male-female relationship because it spawns babies and keeps the life cycle going; cross-sex friendship, as researchers call it, has been either ignored or trivialized. We have rules for how to act in romantic relationships (flirt, date, get married, have kids) and even same-sex friendships (boys relate by doing activities together, girls by talking and sharing). But there are so few platonic male-female friendships on display in our culture that we’re at a loss even to define these relationships.

A certain 1989 film starring Meg Ryan and Billy Crystal convinced a nation of moviegoers that romance always comes between men and women, making true friendship impossible. "When Harry Met Sally set the potential for male-female friendship back about 25 years," says Michael Monsour, Ph. D., assistant professor of communications at the University of Colorado at Denver and author of Women and Men as Friends: Relationships across the Life Span in the 21st Century. "Almost every time you see a male-female friendship, it winds up turning into romance."

In 1989, Don O’Meara, Ph. D., a sociology professor at the University of Cincinnati-Raymond Walters College, published a landmark study in the journal Sex Roles on the top impediments to cross-sex friendship. Among several challenges he pointed out in his research, society may not be entirely ready for friendships between men and women that have no sexual subtext. People with close friends of the opposite sex are often barraged with nudging, winking and skepticism: "Are you really just friends" This is especially true, says O’Meara, of older adults, who grew up when men and women were off-limits to each other until marriage.

What do some relationship experts think about male-female friendships()

A. They can only be friends in the workplace

B. Their friendships would finally turn into romances

C.It is totally possible that friendships exist between males and females

D. Men and women can’t be real friends