BME365R_Exam3_2006solutions

BME365R_Exam3_2006solutions - Name: _ Exam 3 Quantitative...

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Name: __________________________________ Exam 3 Quantitative Physiology - BME 365R December 7, 2006 You are allowed use of a scientific calculator. Exam is closed notes and no communication with any neighboring or outside entity is allowed. Multiple Choice Questions (3 points each). In each of the following questions choose the best answer. 1. In ECG, which wave represents the depolarization of ventricles A. P wave B.QRS complex C. T wave D. U wave E. None of the above 2. Which of the following is TRUE about blood rheology? A. Blood is sometimes a non-Newtonian fluid B. Viscosity of blood depends on diameter of the vessels and hemocrit C. Rouleaux is formed by high shear rate D. There are more white blood cells in the blood than red blood cells E. None of the above 3. Which equation is used to compute the flow rate of non-Newtonian fluid? A. Rabinowitch Eq. B. Hagan Poiseuille Eq. C. Casson Equation D. None of the above 4. Low shear rate in the arteries is most closely related to a(n): A. Increase in turbulent flow. B. Reduction in the formation of rouleaux. C. Increase in the pressure along the wall. D. Reduction in the blood viscosity. E. None of the above 5. An artery with a mean velocity of 500 mm/s runs along side a vein with a mean velocity of 150 mm/s. The shear rate for both is the same. What can be said about the respective diameters? A. The diameter of the artery is larger than the vein. B. The diameter of the artery is smaller than the vein. C. The diameters are the same side. D. Impossible to tell. E. None of the above
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Name: __________________________________ 6. As blood is pumped out of the heart, the correct pathway is: A. Right atrium tricuspid valve right ventricle aortic valve B. Left atrium mitral valve left ventricle aortic valve C. Left atrium tricuspid valve left ventricle aortic valve D. Right atrium mitral valve right ventricle aortic valve E. None of the above 7. What type of fluid does the solid curve represent? A. Dilatant fluid
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BME365R_Exam3_2006solutions - Name: _ Exam 3 Quantitative...

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