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CVP E1 Sample Q's - Sample questions unit one 11:31 PM...

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4/5/11 11:31 PM Sample questions unit one Page 1 of 6 http://w3.palmer.edu/loufreedman/CVP/samplequ1.htm Sample questions for unit one 1. Platelets help in the repair of a damaged vessel wall by releasing which of the following substances? a. thyroxin b. myosin c. Thromboxane A2 d. growth factor 2. Normally what prevents platelets from adhering to a normal endothelium? a. Thromboxane A2 from the endothelium b. glycoproteins in the endothelial wall c. glycoproteins in the platelet wall d. phospholipids in the platelet wall 3. What function does Thromboxane A2 play in activation of platelets? 4. Which of the following is not a function of prostacyclin? 5. How does aspirin blocks the formation of both Thromboxane A2 & prostacyclin production? 6. Which of the following is capable of dissolving or liquefying a blood clot? a. Heparin b. Plasmin c. Oxalate d. Dicumarol
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4/5/11 11:31 PM Sample questions unit one Page 2 of 6 http://w3.palmer.edu/loufreedman/CVP/samplequ1.htm 7. How does Dicumarol function as an anticoagulant? 8. What is the cause of reperfusion injury in the myocardium? 9. What effect will occur if fast Na+ channels in a cardiac cell is blocked? 10. If end diastolic volume = 150 ml and end systolic volume = 100 ml; what is the ejection fraction? a. 33% b. 50% c. 66% d. 75%
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