CVP E1 Sample Q's - Sample questions unit one 11:31 PM Sample questions for unit one 1 Platelets help in the repair of a damaged vessel wall by

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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? a. acts as a vasodilator b. promotes thrombin formation c. stimulates release of prostacyclin d. potentiates platelet granule release 4. Which of the following is not a function of prostacyclin? a. acts as a vasoconstrictor b. stimulates platelet adenyl cyclase c. limits platelet extension d. suppresses platelet granule release a. blocks formation of arachidonic acid b. blocks platelet adenyl cyclase c. blocks formation of adenosine d. blocks fatty acid cyclooxygenase 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? a. inhibits liver clotting factors b. enhances the action of antithrombin III c. stimulates the release of heparin d. tyes up calcium 8. What is the cause of reperfusion injury in the myocardium? a. free radical damage b. lack of oxygen c. ischemia d. pressure overload 9. What effect will occur if fast Na+ channels in a cardiac cell is blocked? a. the cell will infarct b. the cell will get stuck in a depolarized state c. the cell will depolarize at a slower rate d. the cell will be unable to repolarize 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% 12. During isovolumic contraction the left sided valves are in what state? a. mitral closed; aortic closed
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This note was uploaded on 05/03/2011 for the course PHYS 339 taught by Professor Free during the Spring '11 term at Palmer Chiropractic.

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CVP E1 Sample Q's - Sample questions unit one 11:31 PM Sample questions for unit one 1 Platelets help in the repair of a damaged vessel wall by

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