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本课程起止时间为:2021-03-01到2021-06-30

Chapter 1 Introduction Test of Introduction

1、 问题:The ability of the body which responds to stimulus is called
选项:
A:reaction
B:excitation
C:excitability
D:threshold
答案: 【excitability

2、 问题:The most basic feature of life activities is 
选项:
A:substance metabolism
B:energy metabolism
C:metabolism
D:excitability
答案: 【metabolism

3、 问题:Which of the following is not a positive feedback
选项:
A:depressor reflex
B:blood coagulation
C:micturition reflex
D:childbirth
答案: 【depressor reflex

4、 问题:Which of the following is the basic activity of nervous regulation?
选项:
A:action potential
B: excitation
C:reflex
D:synaptic transmission
答案: 【reflex

5、 问题:The internal environment of the body means
选项:
A:tissue fluid
B:intracellular fluid
C:extracellular fluid
D:blood
答案: 【extracellular fluid

6、 问题:The main way by which the body regulates its activity is
选项:
A:feedforwad
B:feedback
C:nervous regulation
D:hormonal regulation
答案: 【nervous regulation

7、 问题:Internal environment homeostasis refers to
选项:
A:The chemical composition of extracellular fluid remains relatively stable
B:The chemical composition of intracellular fluid remains relatively stable 
C:The components and physicochemical properties of extracellular fluid remain relatively stable
D:The physicochemical properties of the cells remain relatively stable
答案: 【The components and physicochemical properties of extracellular fluid remain relatively stable

8、 问题:In a reflex arc, the controlled part is
选项:
A: receptor
B:effector
C:afferent nerve
D:efferent nerve
答案: 【effector

9、 问题:In the reflex arc, which part receives the information?
选项:
A:receptor 
B:effector
C:afferent nerve
D:efferent nerve
答案: 【receptor 

10、 问题:Which of the following is wrong about negative feedback?
选项:
A:It is an important mechanism to ensure the accuracy of regulation.
B:It destroy homeostasis.
C:It can keep certain physiological functions relatively stable.
D:Regualtion of temperature belongs to it.
答案: 【It destroy homeostasis.

11、 问题:The minimum stimulus intensity that causes the tissue to respond is called
选项:
A:excitability 
B:threshold potential
C:threshold stimulation
D:threshold intensity
答案: 【threshold intensity

12、 问题:The maintenance of physiological homeostasis mainly depends on
选项:
A:nervous regulation
B:hormonal regulation
C:positive feedback regulation
D:negative feedback regulation
答案: 【negative feedback regulation

13、 问题:The following is not part of the internal environment
选项:
A:intracellular fluid
B:tissue fluid
C:plasma
D:lymphatic fluid
答案: 【intracellular fluid

14、 问题:The process stimulation of the efferent nerve causes muscle to contract belongs to 
选项:
A:reaction
B:reflection
C:positive Feedback
D:negative Feedback
答案: 【reaction

15、 问题:Which of the following is characteristic of negative feedback?
选项:
A:The feedback effect is contrary to the original effect
B:The feedback effect weakens the original effect 
C:Feedback information weakens the original control information
D:The effect weakens the feedback
答案: 【The feedback effect is contrary to the original effect

16、 问题:Excitability can be evaluated by
选项:
A:action potential
B:resting potential 
C: threshold potential
D: threshold intensity 
答案: 【 threshold intensity 

17、 问题:When in enmergency, secretion of epinephrine and norepinephrine belongs to
选项:
A:neuro-hormonal regulation
B:nervous regulation 
C:hormonal regulation
D:autoregualation
答案: 【neuro-hormonal regulation

18、 问题:The physical and chemical properties of the normal body environment are always 
选项:
A:fixed
B:absolutely constant
C:relatively stable
D:random
答案: 【relatively stable

19、 问题:Conditioned reflex belongs to
选项:
A: autoregulation
B:positive feedback
C:negative feedback
D:feedforward
答案: 【feedforward

20、 问题:When the mean arterial pressure fluctuates in a certain range, the stabilization of the renal blood flow belongs to
选项:
A:autoregualtion
B:negative feedback
C:positive feedback
D:feedforward
答案: 【autoregualtion

21、 问题: Inflow of Na+ in the action potential depolarization phase of nerons belongs to positive feedback
选项:
A:正确
B:错误
答案: 【正确

22、 问题:Urination and defecation reflex belong to negative feedback.
选项:
A:正确
B:错误
答案: 【错误

23、 问题:Feedforward control sometimes fails.
选项:
A:正确
B:错误
答案: 【正确

24、 问题:Positive feedback can maintain the homeostasis of body .
选项:
A:正确
B:错误
答案: 【错误

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