2024知到网课 生理学（南开大学）智慧树答案

绪论 单元测试

1、单选题：The regulation mode and characteristic of three physiological functions in human body？
A:Nervous regulation: rapid, accurate (reflex arc).
B:Humoral or neuro-humoral regulation: slow, extensive (secretion).
C:All of the above three.
D:Self regulation: small, limited.
正确答案:【All of the above three.】

第一章 单元测试

1、判断题：The AV node, which normally exhibits the fastest rate of autorhythmicity is known as the pacemaker of the heart.
A:对
B:错
正确答案:【错】

2、判断题：Bulk flow occurs because of differences in the hydrostatic and colloid osmotic pressures between the plasma and interstitial fluid.
A:错
B:对
正确答案:【对】

3、单选题：Which of the following correctly ranks pressures during isovolumetric contraction of a normal cardiac cycle?
A:left ventricular > left atrial > aortic
B:left atrial > aortic > left ventricular
C:aortic > left ventricular > left atrial
D:aortic > left atrial > left ventricular
E:left ventricular > aortic > left atrial
正确答案:【aortic > left ventricular > left atrial】

4、单选题：When the radius of the resistance vessels is increased, which of the following is increased?
A:Hematocrit
B:Systolic blood pressure
C:Capillary blood flow
D:Diastolic blood pressure
E:Viscosity of the blood
正确答案:【Capillary blood flow】

5、单选题：What is mainly responsible for the delay between the atrial and ventricular contractions?
A:slow action potential conduction velocity of AV node cells
B:slow action potential conduction in the Purkinje network of the ventricles
C:the shallow slope of AV node pacemaker potentials
D:greater parasympathetic nerve firing to the ventricles than to the atria
E:slow action potential conduction velocity along atrial muscle cell membranes
正确答案:【slow action potential conduction velocity of AV node cells】

第二章 单元测试

1、判断题：Cholesterolisfoundwithinthelipid bilayer
A:错
B:对
正确答案:【对】

2、判断题：The greater the difference in concentration, the slower the rate of net diffusion.
A:对
B:错
正确答案:【错】

3、判断题：Opposite charges attract each other.
A:错
B:对
正确答案:【对】

4、单选题：Cholesterol contributes to the fluidity and stability of the membrance, Between which molecules is cholesterol found?
A:membrane carbohydrates
B:membrane proteins
C:cell adhesions molecules
D:phospholipids.
正确答案:【phospholipids.】

5、单选题：Membrane potential is measured in these units
A:volts
B:millivolts
C:nanovolts
D:Kilovolts
正确答案:【millivolts】

第三章 单元测试

1、判断题：These filaments are arranged in cylindrical bundles called myofibrils.
A:错
B:对
正确答案:【对】

2、判断题：Ttubulesstore calcium.
A:对
B:错
正确答案:【错】

3、判断题：In skeletal muscle, magnesium must be attached to ATP before myosin ATPase can split the ATP
A:错
B:对
正确答案:【对】

4、单选题：Which of the following is the functional unit of a skeletal muscle?
A:sliding filaments
B:thick filaments
C:sarcomere
D:Glogi organ
正确答案:【sarcomere】

5、单选题：Which of the following ions binds to calmodulin in smooth muscles?
A:sodium e all of the above
B:potassium
C:magnesium
D:calcium
正确答案:【calcium】

第四章 单元测试

1、单选题：The major element of whole blood is __________.
A:leukocytes
B:plasma
C:platelets
D:RBCs
正确答案:【plasma】

2、单选题：Which of the following blood components provide the major defense for our bodies against invading bacteria and viruses?
A:platelets
B:red cells
C:plasma
D:white cells
正确答案:【white cells】

3、单选题：When blood clumps or forms visible islands in the still liquid plasma, it is called:
A:Agglutination
B:hematolysis
C:none of the above
D:Clotting
正确答案:【Agglutination】

4、单选题：Antigens are:
A:found on the surface of red cells
B:producedbyBcell
C:kinds of red cells that identify a blood type
D:relatively large carbohydrate molecules
正确答案:【found on the surface of red cells】

5、单选题：Most of the volume of normal human blood is composed of:
A:plasma
B:red cells
C:hemoglobin
D:white cells
正确答案:【plasma】

第五章 单元测试

1、单选题：Using the equation PV = constant; if the volume of the thoracic cavity increases (in other words, the size of the thoracic cavity increases), the pressure inside the thoracic cavity will __________.
A:stay the same
B:can not judge
C:increase
D:decrease
正确答案:【decrease】

2、单选题：When the pressure within the thoracic cavity increases compared to atmospheric pressure, air will __________ the lungs.
A:Exit
B:Enter
C:can not judge
D:not enter or exit
正确答案:【Exit】