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骨骼肌的兴奋一收缩耦联不包括 (  )

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  • 【名词&注释】

    表面张力(surface tension)、肌钙蛋白(troponin)、印第安(indian)、陶渊明(tao yuan-ming)、肌浆网(sarcoplasmic reticulum)、括约肌(sphincter)、《泊秦淮》、环行纤维(circular fibers)、《行路难》、腹股沟韧带(inguinal ligament)

  • [单选题]骨骼肌的兴奋一收缩耦联不包括 (  )

  • A. 电兴奋通过横管系统传向肌细胞的深处
    B. 三联管结构处的信息传递
    C. 肌浆网中的Ca+释放入胞浆
    D. Ca2+由胞浆向肌浆网的再聚积
    E. 肌浆中的Ca+浓度迅速降低,导致肌钙蛋白和它所结合的Ca+解离

  • 查看答案&解析 查看所有试题
  • 学习资料:
  • [单选题]下列诗歌属于绝句的是
  • A. 陶渊明《饮酒》(其五)
    B. 李白《行路难》(其一)
    C. 王维《山居秋暝》
    D. 杜牧《泊秦淮》

  • [单选题]_________,I should not have wasted my time trying to explaiil matters to you.
  • A. I had not realized what you intendec
    B. Had I not realized what you intended
    C. I had realized what you intended
    D. Had I realized what you intended

  • [单选题]How would you describe Sequoyah?
  • Sequoyah was a young Cherokee Indian.son of a white trader and an Indian Squaw(北美印第安女人).At an early age,he became fascinated by“tile talking leaf”,an expression thathe used to describe the white man’s written records.Although many believe this"talking leaf”to be a gift from tile Great Spirit,Sequoyah refused to accept that theory.Like other Indians oftile period,he was illiterate,but his determination to remedy tile situation led to the inventionof a unique 86 character alphabet based on the sound patterns that he heard.   His family and friends thought him mad,but while recuperating(恢复)from a huntingaccident.he diligently and independently set out to create a form of communication for his ownpeople as well as for other Indians.In l821,after twelve years of work,he had successfully de。veloped a written language that would enable thousands of Indians to read and write.   Sequoyah’s desire to preserve words and events for later generation has caused him to be remembered among the important inventors.The giant redwood trees of-California,called“se-quoias(红杉)”in his honor,will further imprint his name in history. 根据以上内容,回答下面的题目。What is the most important reason that Sequoyah wiU be remeIll]bered?

  • A. Meek(温顺的).
    B. Mad.
    C. Backward.
    D. Determined.

  • [单选题]

  • [单选题]近点距离主要决定于 (  )
  • A. 睫状肌中环行纤维(circular fibers)的收缩能力
    B. 瞳孔括约肌的收缩能力
    C. 角膜的曲率半径
    D. 眼球前后径的距离
    E. 以上都不是

  • [多选题]股神经 (  )
  • A. 是骶丛中最粗大的神经
    B. 发出后先在腰大肌与髂肌之间下行
    C. 穿腹股沟韧带(inguinal ligament)深面在股动脉内侧到达股前部
    D. 肌支分布到股四头肌、缝匠肌、耻骨肌
    E. 最长的皮神经是隐神经,与大隐静脉伴行

  • [单选题]关于化学性突触传递,下列错误的是(  )
  • A. 双向传递
    B. 突触延搁
    C. 总和
    D. 对内环境变化敏感
    E. 易疲劳

  • [单选题]肺泡回缩力主要来自(  )
  • A. 肺弹性纤维与肺泡表面张力
    B. 肺泡表面液体分子层
    C. 肺泡表面活性物质与肺弹性纤维
    D. 肺弹性纤维
    E. 肺泡表面活性物质

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