单选题下列哪种情况引起多尿______

单选题青春期身高的发育主要是由于( ) A．性激素的作用 B．生长激素 C．肾上腺皮质激素 D．胰岛素 E．性激素与其他促进生长、发育的激素协同作用

单选题震颤麻痹主要是下列哪个通路受累的结果( ) A．纹状体-黑质γ-氨基丁酸能易化通路 B．纹状体-黑质γ-氨基丁酸能抑制通路 C．黑质-纹状体胆碱能易化通路 D．黑质-纹状体胆碱能抑制通路 E．黑质中的多巴胺能神经元

单选题A．左冠脉血流不变B．左冠脉血流急剧减少C．左冠脉血流缓慢增加D．左冠脉血流急剧增加E．左冠脉血流达最大值 (1989年)

单选题下列哪一项属于原发性主动转运( ) A．安静时K+由细胞内向细胞外转运 B．兴奋时Na+由细胞外进入细胞内 C．葡萄糖由细胞外液进入细胞内 D．Na+由细胞内向细胞外转运 E．肌浆网终池的Ca2+流入胞质

单选题神经细胞在绝对不应期中，钠通道处于( ) A．失活状态 B．备用状态 C．激活状态 D．复活状态 E．适应状态

单选题符合羊水栓塞的描述是

单选题关于人体内血管的神经支配，正确的是

单选题A．淋巴道转移B．直接蔓延C．种植性转移D．椎旁静脉系统的转移

单选题A new study finds that blacks on death row (1) of killing whites are more likely to be executed than whites who kill minorities. It also concludes that blacks who kill (2) minorities are (3) likely to be executed than blacks who kill whites. For example, there is more than a twofold greater risk that an African-American who killed a white will be executed than a white person who kills a (4) victim. A Hispanic is at least 1.4 (5) more likely to be executed (6) such an offender kills a white. The researchers of the study believe that there are two (7) explanations.. First, prosecutors often win (8) office if they win well-publicized cases. When a black kills a white, such killings gets more (9) and this idea can be (10) by many famous cases. (11) , the court judges at the state level are often (12) to elections, called retention elections. Retention election or judicial retention within the United States court system, is a periodic process, in which the voter (13) approval or disapproval for the judges presently (14) their position, and a judge can be removed from the position if the (15) of the citizens vote him or her out. Just as the researchers (16) out, death penalty is (17) political. The findings of the study, in short, show that American justice systems clearly (18) white lives more than those of blacks or Hispanics. The researchers also say their findings (19) serious doubts about (20) that the U.S. criminal justice system is colorblind.

单选题DNA双链中，不作为转录模板的一股单链是

单选题 关于钙稳态失衡引起细胞凋亡的机制，不正确的是 A、激活核转录因子，加速凋亡相关基因转录 B、胞质中浓度显著下降起关键作用 C、使DNA舒展，暴露酶切点 D、激活谷氨酰胺转移酶，使细胞骨架蛋白广泛交联 E、有利于凋亡小体形成

单选题关于糖皮质激素对代谢的影响，下列哪项是错误的( ) A．促进肝外组织蛋白质分解 B．促进肾保钠、排钾、排水 C．促进糖异生 D．减少外周组织对葡萄糖利用 E．促进全身各部位的脂肪分解

单选题A．1min内B．7min内C．10～15min内D．20～25min内E．25～30min内

单选题导致肺心病的关键环节是

单选题体循环动脉栓子主要来自

单选题安静时K+由细胞内流向细胞外属于( ) A．单纯扩散 B．通道转运 C．载体转运 D．主动转运 E．出胞作用

单选题“虎斑心”是指心肌细胞发生 A．淤血 B．脂肪变性 C．黏液变性 D．坏死 E．淤血及脂肪变性

单选题评价肺通气功能较好的指标是( ) A．最大通气量 B．用力呼气量 C．每分通气量 D．补呼气量 E．肺泡通气量

单选题 鼻咽癌常见的大体类型是 ( ) A、结节型 B、菜花型 C、黏膜下型 D、溃疡型 E、浸润型