1.Which of the following statements is FALSE?

1.Which of the following statements is FALSE? 

 a) A leaky epithelium of the capillaries allows exchange of material between the plasma, interstitial fluid, and the cells of the body.  

b) Total blood flow through any level of the circulation is equal to the cardiac output.  

c) The right heart pumps blood to the lungs then to the left heart.  

d) The heart has two separate pumps that pump blood in parallel.  

e) All of these statements are true.  

 2.All blood vessels are lined with a thin layer of __________. 

a) endothelium 

b) smooth muscle 

c) epithelium 

d) A and B 

e) A and C 

3.Calcium channel blockers bind to Ca2+ channel proteins and __________. 

a) make vessels dilate 

b) make channels less likely to open at depolarization 

c) make vessels constrict 

d) A and B 

e) A and C  

4.As the arterial system leaves the heart, the vessels __________.

 a) become smaller in diameter 

b) divide and branch 

c) become more elastic and less muscular 

d) A and B 

e) A, B and C 

___________ in the arteries maintains pressure during ventricular diastole. a) Systolic pressure 

b) Valves 

c) Atrial systole 

d) Elastic recoil 

e) None of the above 

5.The mean arterial pressure (MAP) __________. 

a) represents the driving pressure for blood flow 

b) forces the practitioner to do complex math, thus they must pay attention to the values obtained 

c) reflects the difference in time that ventricular systole lasts compared to ventricular diastole 

d) A and B 

e) A and C 

6.The lymphatic system   

a) relies on the skeletal muscle pump to circulate lymph fluid.   

b) has lymph nodes positioned strategically where immunologically active cells interact with the lymph.   

c) does not have its own pump like the heart.   

d) empties the lymph vessels into the veins near the clavicles.   

e) all of the above