2022知到答案 生理学（南开大学） 最新完整智慧树知到满分章节测试答案

绪论 单元测试

1、 问题:

The regulation mode and characteristic of three physiological functions in human body？

选项：
A:Nervous regulation: rapid, accurate (reflex arc). 
B:Humoral or neuro-humoral regulation: slow, extensive (secretion).  
C:Self regulation: small, limited. 
D:All of the above three.
答案: 【
All of the above three.
】

第一章 单元测试

1、 问题:

The AV node, which normally exhibits the fastest rate of autorhythmicity is known as the pacemaker of the heart.

选项：
A:对
B:错
答案: 【
错
】

2、 问题:

Bulk flow occurs because of differences in the hydrostatic and colloid osmotic pressures between the plasma and interstitial fluid.

选项：
A:对
B:错
答案: 【
对
】

3、 问题:

Which of the following correctly ranks pressures during isovolumetric contraction of a normal cardiac cycle?

选项：
A: left ventricular > aortic > left atrial
B: aortic > left atrial > left ventricular
C: left atrial > aortic > left ventricular
D:aortic > left ventricular > left atrial
E:left ventricular > left atrial > aortic
答案: 【
aortic > left ventricular > left atrial
】

4、 问题:

When the radius of the resistance vessels is increased, which of the following is increased? 

选项：
A:Systolic blood pressure  

B:Diastolic blood pressure  

C:Viscosity of the blood  

D: Hematocrit  

E: Capillary blood flow

答案: 【
 Capillary blood flow

】

5、 问题:

 What is mainly responsible for the delay between the atrial and ventricular contractions?

选项：
A: the shallow slope of AV node pacemaker potentials

B:slow action potential conduction velocity of AV node cells

C:slow action potential conduction velocity along atrial muscle cell membranes

D:slow action potential conduction in the Purkinje network of the ventricles

E:greater parasympathetic nerve firing to the ventricles than to the atria

答案: 【
slow action potential conduction velocity of AV node cells

】

第二章 单元测试

1、 问题:

Cholesterol is found within the lipid bilayer 

选项：
A:对
B:错
答案: 【
对
】

2、 问题:

The greater the difference in concentration, the slower the rate of net diffusion.

选项：
A:对
B:错
答案: 【
错
】

3、 问题:

Opposite charges attract each other.

选项：
A:对
B:错
答案: 【
对
】

4、 问题:

Cholesterol contributes to the fluidity and stability of the membrance, Between which molecules is cholesterol found?

选项：
A:membrane proteins
B:membrane carbohydrates
C:cell adhesions molecules 
D:phospholipids.
答案: 【
phospholipids.
】

5、 问题:

Membrane potential is measured in these units 

选项：
A:volts 
B:nanovolts 
C:Kilovolts
D:millivolts
答案: 【
millivolts
】

第三章 单元测试

1、 问题:

These filaments are arranged in cylindrical bundles called myofibrils.

选项：
A:对
B:错
答案: 【
对
】