Exam_3_2010Solution

Exam_3_2010Solution - NAME Discussion Section(Circle One M...

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NAME: _________________________ Discussion Section(Circle One): M Wed(10:00) Wed(12:00) Fri Quantitative Engineering Physiology BME 365R (14170, 14175, 14180, 14185): Quiz III December 2, 2010 Questions 1-50 are multiple choice. Each question is equally weighted and valued at 2 points. For each question, select the answer(s) that you think is(are) most correct. Circle your answer on the Exam sheet AND bubble in your selected answer on the Scantron. Calculators are NOT allowed when working the Exam. 1. Consider a 5cm length of abdominal artery that has a volume of 3ml. If an increase in pressure of 10 mmHg results in a fractional increase in the radius of r/r=0.05, what is the compliance of the artery? A. 0.03 ml/mmHg B. 0.015 ml/mmHg C. 33.3 mmHg/ml D. 66.7 mmHg/ml E. None of the above 2. Which of the following is NOT an anatomical direction of the human body: A. Lateral B. Superior C. Frontal D. Dorsal E. None of the above 3. Which of the following vessels has the largest concentration of oxygen (bound or free) A. Hepatic artery B. Renal artery C. Pulmonary vein D. Superior vena cava E. Ascending arteries 4. The primary location in the circulation where flow resistance in modulated is: A. Lungs B. Coronary arteries C. Brain D. Arterioles E. Capillaries F. None of the above 5. Which one of the following points in the circulation have a compliance that greatest impacts blood flow A. Capillaries B. Venules C. Aorta D. Pulomonary artery E. None of the above
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NAME: _________________________ Discussion Section(Circle One): M Wed(10:00) Wed(12:00) Fri 6. Increased concentration of which of the following will NOT act as a vasodilator A. Nitric Oxide B. Histamine C. Carbon Dioxide D. Oxygen E. None of the above 7. Which one of the following is NOT a property of the volume-transmural pressure relationship for a general blood vessel A. The curve has a positive slope B. Y-Intercept has a zero volume C. Slope increases at higher transmural pressures D. At transmural pressures near zero the curve has a large positive slope E. None of the above 8. Consider two arterioles (A and B) with the same wall thickness, same Young’s modulus and same Poisson ratio with diameters of 50um(A) and 51um(B), the relative compliance of these two arteries is: A. Artery B has a compliance approximately 2% larger than artery A B. Artery A has a compliance approximately 2% larger than artery B C. Artery B has a compliance approximately 4% larger than artery A D. Artery B has a compliance approximately 6% larger than artery A E. None of the above 9. Which of the following is NOT a chamber or valve in the heart A. Right atrium B. Left ventricle C. Mitral valve D. Aortic valve E. None of the above 10. Blood flows into the aorta when A. Blood pressure in the left ventricle is less than the blood pressure in the aorta B. Blood pressure in the right ventricle is greater than blood pressure in the pulmonary artery C. Blood pressure in the left ventricle is greater than blood pressure in the aorta
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Exam_3_2010Solution - NAME Discussion Section(Circle One M...

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