【判断题】【消耗次数:1】
组织或有机体对刺激产生反应的能力或特性,称为兴奋性。
正确
错误
参考答案:
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相关题目
【单选题】 当在环境中增加某种刺激,有机体反应概率增加,这种刺激就是( )。
①  正强化
②  负强化
③  惩罚
④  消退
【判断题】 刺激的阈值越小,说明组织的兴奋性越低。
①  正确
②  错误
【单选题】 有机体学会对条件刺激和与条件刺激相类似的刺激作出不同的行为反应,巴甫洛夫称其为( )。
①  刺激泛化
②  刺激比较
③  刺激分化
④  行为强化
【单选题】 机体对适宜刺激所产生的反应,由相对静止状态转变为活动状态,称为:
①  兴奋性
②  兴奋
③  适应性
④  抑制
⑤  反应
【单选题】 判断组织兴奋性高低常用的简便指标是( )
①  阈电位
②  时值
③  阈强度
④  刺激强度的变化率巳刺激的频率
【单选题】 衡量组织细胞兴奋性高低的指标是
①  阈值
②  动作电位
③  静息电位
④  反应强度
【单选题】 正常情况下,维持呼吸中枢兴奋性的有效刺激是
①  肺牵张感受器的传人冲动
②  呼吸肌本体感受器的传人冲动
③  一定浓度的CO2
④  一定的pH
⑤  一定程度的缺氧
【判断题】 阈下刺激可引起可兴奋细胞生产局部反应,局部反应具有“全或无”的特性。
①  正确
②  错误
【判断题】 同化是指有机体调节自己的内部结构以适应特定刺激情境的过程。
①  正确
②  错误
【单选题】 组织兴奋后处于绝对不应期时,其兴奋性为:
①  大于正常
②  等于正常
③  小于正常
④  接近于零
⑤  无限大
随机题目
【单选题】 The morning paper __________ a story about demonstrations in New York and Washington @@@@
①  carried
②  extended
③  brought
④  took
【单选题】 Tom is in favor of going to the movies; Jack insists on playing football.
①  while
②  meanwhile
③  when
④  at the same time
【单选题】 Ever since the Smiths moved to the suburbs a year ago they __________ better health.
①  could have enjoyed
②  had enjoyed
③  have been enjoying
④  are enjoying
【单选题】 She is quite capable and can be depended on in an __________ .
①  affair
②  accident
③  incident
④  emergency
【单选题】 He studied hard in his youth, __________ contributed to his great success in later life.
①  that
②  it
③  what
④  which
【单选题】 I was worried about chemistry, but Mr Brown gave me an A!
①  Don’t worry about it
②  Congratulations! That’s a difficult course
③  Mr Brown is very good
④  Good luck to you!
【单选题】 __________ evidence that language acquiring ability must be stimulate@@
①  It being
②  It is
③  There is
④  There being
【单选题】 Having been asked to speak at the convention __________
①  some notes were prepared for Dr. Smith
②  Smith prepared some notes
③  The convention members were pleased to hear Dr. Smith
④  Some notes were prepared by Dr. Smith
【单选题】 For a successful business, friendly and __________ staff are essential.
①  sufficient
②  effective
③  efficient
④  respective
【单选题】 Mr. Chairman, could I raise a point about the plan?
①  Yes, Dr Chock
②  I think so, either
③  Yes, I hope not
④  No, I have no idea