Open Question: Anatomy questions! Help me please!?
1. Which of the following is NOT true of arteries?
a. arterial walls are thicker than venous walls
b. arteries carry oxygenated blood to the heart
c. arteries have more elastin than veins
d. arteries have a smaller lumen than veins of similar size
2. What prevents the backflow of blood in veins?
a. thick, smooth muscle and elastic layers
b. valves
c. expansion of veins so that pooling occurs
d. momentum of blood flow
3. The epicardium is the same as the
a. endocardium
b. pericardium
c. visceral layer of serous pericardium
d. fibrous pericardium
4. During ventricular systole, blood is
a. forced from the ventricles into the aorta and pulmonary trunk
b. flowing from the systemic and pulmonary circuits into both the atria and ventricles
c. forced from the atria into the ventricles
d. not flowing into or out of the heart
5. Insertion of a stent to treat coronary artery disease
a. requires open heart surgery
b. involves grafting a portion of the saphenous vein that contains the stent into the occluded artery
c. occurs through a catheter inserted in the femoral artery
d. is accomplished by laparoscopic incision at the jugular notch
… your help is much appreciated!!!
Sat, 03 Apr 2010 06:03:09 GMT
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