【单选题】【消耗次数:1】
属于不稳定细胞的是
肝细胞
心肌细胞
表皮细胞
中枢神经细胞
平滑肌细胞
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相关题目
【单选题】 心肌细胞兴奋传导最快的部位是()
①  窦房结
②  房室交界
③  房室束
④  左右束支
⑤  浦肯野纤维
【单选题】 心肌细胞分为快反应细胞和慢反应细胞的主要根据是其动作电位的
①  时程长短
②  幅度大小
③  0期去极化速度
④  复极化速度
⑤  4期有无自动去极化
【单选题】 心肌细胞分为快反应细胞和慢反应细胞的主要根据是其动作电位的
①  时程长短
②  幅度大小
③  0期去极化速度
④  复极化速度
⑤  4期有无自动去极化
【单选题】 虎斑心是指心肌细胞发生了:
①  脂肪变性
②  脂肪浸润
③  萎缩
④  化生
⑤  玻璃样变性
【单选题】 参与噬神经细胞现象的细胞是
①  小胶质细胞
②  淋巴细胞
③  神经元
④  少突胶质细胞
⑤  星形胶质细胞
【单选题】 普通的心肌细胞没有以下哪一项
①  兴奋性
②  自律性
③  收缩性
【单选题】 心肌细胞超常期内兴奋性高于正常,因此
①  兴奋传导速度高于正常
②  自动节律性高于正常
③  动作电位幅度大于正常
④  刺激阈值低于正常
⑤  刺激阈值高于正常
【单选题】 心肌细胞超常期内兴奋性高于正常,因此
①  兴奋传导速度高于正常
②  自动节律性高于正常
③  动作电位幅度大于正常
④  刺激阈值低于正常
⑤  刺激阈值高于正常
【判断题】 有感觉的细胞,如味细胞、嗅细胞、视细胞等均属于神经细胞。( )
①  正确
②  错误
【单选题】 心肌细胞有效不应期特别长的生理意义是()
①  使心肌节律性兴奋
②  使心肌“全或无”式收缩
③  使心肌收缩更有力
④  使心肌不发生强直性收缩
⑤  使心肌同步收缩
随机题目
【单选题】 What role does a teacher play in the following activity? The teacher asks students to produce conversations (either orally or in writing) by using particular patterns or expressions they have just learned.
①  Controller
②  Assessor
③  Organizer
④  Prompter.
【单选题】 What role does a teacher play in the following activity? When students are doing a group-work task, the teacher joins one or two groups for a short period of time.
①  Controller
②  Assessor
③  participant
④  Resource-provider.
【单选题】 What role does a teacher play in the following activity? The teacher has a word in his mind and asks students to guess by asking only Yes/No questions until they make the correct guess.
①  Controller
②  Assessor
③  participant
④  Resource-provider.
【单选题】 Which of the following is the advantage of pair work?
①  It is an ideal way to show materials and do presentations together
②  It allows students to work together rather than under teacher’s guidance
③  It reinforces a sense of belonging among a group of members
④  It is very stressful.
【单选题】 Which of the following is the time when students work in a pair?
①  When all the students are under the control of the teacher
②  When students work in pairs on an exercise or a task
③  When students work in small groups
④  When students are expected to work on their own at their own speed.
【单选题】 What role does a teacher play in the following activity? The teacher writes one of five numbers (1-5) on a number of cards (the same number as the students). Each student draws one card. Those who have drawn number 1 will form group1, and those who have drawn number 2 will form group 2. Thus the students are put into five groups in a random way.
①  Controller
②  Assessor
③  Organizer
④  Prompter.
【单选题】 What are language contents?
①  Structures, vocabulary, functions and topics
②  Pictures, vocabulary, communication and topics
③  PPT, structures, aims and summary
④  Structures, aims, functions and topics.
【单选题】 Which part is to be finished after a lesson in a lesson plan?
①  Teaching aids
②  End of a lesson summary
③  Optional activities and assignment
④  After lesson reflection.
【单选题】 What are the principles for good lesson planning?
①  Aim, variety, flexibility, learnability and linkage
②  Aim, preparation flexibility and linkage
③  Aim, micro-planning, macro-planning and flexibility
④  Aim, micro-planning, macro-planning and variety.
【单选题】 What is the function of optional activities?
①  Backups in case the lesson goes too fast and there are a few minutes left
②  Prepared for good students
③  Prepared for bad students
④  Used for emergency.