单选题患者，女，34岁。剧烈咳嗽后突然呼吸困难、发绀。体检：右胸呈鼓音，呼吸音消失。最可能的诊断为

单选题正常AG代谢性酸中毒见于

单选题Although there are many skillful Braille readers, thousands of other blind people find it difficult to learn that system. They are thereby shut (1) from the world of books and newspapers, having to (2) on friends to read aloud to them. A young scientist named Raymond Kurzweil has now designed a computer which is a major (3) in providing aid to the (4) .His machine, Cyclops, has a camera that (5) any page, interprets the print into sounds, and then delivers them orally in a robot-like (6) through a speaker. By pressing the appropriate buttons (7) Cyclops's keyboard, a blind person can "read" any (8) document in the English language. This remarkable invention represents a tremendous (9) forward in the education of the handicapped. At present, Cyclops costs $ 50,000. (10) , Mr. Kurzweil and his associates are preparing a smaller (11) improved version that will sell (12) less than half that price. Within a few years, Kurzweil (13) the price range will be low enough for every school and library to (14) one. Michael Hingson, Director of the National Federation for the Blind, hopes that (15) will be able to buy home (16) of Cyclops for the price of a good television set. Mr. Hingson's organization purchased five machines and is now testing them in Maryland, Colorado, Iowa, California, and New York. Blind people have been (17) in those tests, making lots of (18) suggestions to the engineers who helped to produce Cyclops. "This is the first time that blind people have ever done individual studies (19) a product was put on the market," Hingson said. "Most manufacturers believed that having the blind help the blind was like telling disabled people to teach other disabled people. In that (20) , the manufacturers have been the blind ones. /

单选题关于面容与疾病相关性的叙述，不正确的是

单选题膝内翻或膝外翻畸形多见于

单选题A．尖颅B．方颅C．巨颅D．长颅E．变形颅

单选题诊断预激综合征最有价值的检查方法是

单选题尿比重增高见于

单选题下述心包摩擦音的听诊特性中哪项不正确

单选题由Einthoven创设的V 2 导联电极应放在

单选题肝硬化病人蜘蛛痣常见于哪个部位的皮肤

单选题肺气肿病人的下列表现哪项不正确

单选题正常青年人胸部不会出现的叩诊音是

单选题不属于白细胞致热源的物质是

单选题患者膝胸位或俯卧位时腹痛可缓解，常见于

单选题浆液性痰最常见于

单选题单侧上睑下垂见于

单选题心脏听诊时，下列哪种心音异常提示患者病情危重?

单选题大叶性肺炎实变期病变部位常可听到

单选题A．病理性第二心音分裂B．第三心音C．主动脉瓣关闭不全D．二尖瓣狭窄E．肺动脉瓣关闭不全