患者,男,74岁。肝区偶感不适,腹胀、消瘦乏力,行MRI检查,如图。肝门区胆管癌(K

题型:单项选择题 案例分析题

问题:

患者,男,74岁。肝区偶感不适,腹胀、消瘦乏力,行MRI检查,如图。

肝门区胆管癌(Klatskin瘤)最常见的MRI表现为()

A.肝门区大肿块

B.肝门区胆管腔内充盈缺损

C.肝内胆管扩张,肝总管及胆总管无扩张

D.胆囊明显缩小

E.肝内及淋巴结转移病灶

F.周围见多个淋巴结肿大

考点:放射医学主治医师消化系统消化系统题库
题型:单项选择题 案例分析题

(1)有两个做匀加速直线运动的质点,下列说法正确的是______(填正确答案标号)

A.相同时间里,速度大的质点加速度必定大

B.相同时间里,若加速度相同,初速度大的质点的末速度一定大

C.相同时间里,加速度大的质点速度变化必定大

D.相同时间里,末速度越大的质点,通过的位移一定越大

E.相同时间里,平均速度大的质点,通过的位移一定越大

(2)一辆汽车在平直公路上从A站开往B站,在开始的

1
5
位移上平均速度为v,在以后的
4
5
位移上平均速度为2v,这辆汽车全程的平均速度是多少?

题型:单项选择题 案例分析题

尼莫地平()。

A.扩容药物

B.抗凝药物

C.脑保护药物

D.溶栓药物

E.脑代谢活化剂

题型:单项选择题 案例分析题

Beijing: The United States and North Korea had their first (1) in four months here this afternoon as part of the (2) negotiations on how to end North Korea’s nuclear program, but diplomats played clown prospects for (3) . The talks are at the Diaoyutai (4) , a sprawling, garden-filled (5) in western Beijing, with negotiators gathering around a giant hexagonal table built to (6) the six delegations. The Chinese placed the Americans and the North Koreans in (7) , which may have facilitated the (8) between Mr. Kelly and Mr. Kim, which took place (9) in the afternoon session. The two spoke for 30 minutes, two Asian diplomats (10) . The early indications of how the talks are going (11) . A South Korean who took part in the meetings described North Korea as "willing to (12) through dialogue." Chinese officials also put a (13) on the talks. "I heard talks this morning and this afternoon were very successful," the Foreign Minister, Li Zhaoxing, told delegates (14) . But Japanese and Russian participants were (15) . The Russian (16) , Aleksandr Losyukov, described the negotiations as (17) . "So far, the countries have put forward a number of (18) , which are (19) the development of these talks," he told Russian reporters in Beijing. "I would not say that I am feeling (20) ."

题型:单项选择题 案例分析题

大多数口腔单纯疱疹病毒感染根据临床表现都可以作出诊断。常用的辅助诊断方法中不包括()

A.组织活检

B.涂片查找包涵体

C.免疫学检查

D.电镜检查受损细胞

E.基因诊断

题型:单项选择题 案例分析题

2012年,世界经济下行压力加大,我国进出口面临的外部环境趋紧,外贸形势不容乐观。针对这一形势,我们在发展经济过程中()

①坚持把实施“走出去”战略作为经济发展的根本基点

②坚持扩大内需的方针,实施内需外需协调拉动经济增长

③发挥宏观调控的基础作用,促进经济又好又快的发展

④加快转变外贸发展方式,优化进出口结构

A.①②

B.①③

C.②④

D.③④

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