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BYM 501E FUNDAMENTALS OF BIOMEDICAL ENGINEERING (13460) Inci ÇiLESiZ Final Examination 4 January 2013 12.00-14.00 1. What instruments (signal generator, multimeter, oscilloscope, etc) would you use and how would you design measurements to measure dynamic properties of a biomedical measurement system? Which properties would you measure? Why? (15 points) 2. Name the main 2-3 interfering or modifying inputs to equipment in a hospital environment. How can you minimize them? (6 points) 3. Correlate heart sounds with electrical and mechanical events of the cardiac cycle on a diagram showing time evolution of (i) aortic and (ii) left ventricular blood pressures, (iii) EKG signal and (iv) the heart sounds (at least the major two!). (12 points) 4. Compare and contrast macroshock vs. microshock in terms of electrical hazards in a clinical environment. (4 sentences max.) (4 points) 5. Explain within 5 sentences the function of driven-right-leg circuit. (5 points) 6. Assume you are a staff biomedical engineer in a fully equipped hospital. One day, a patient with acute severe headache is brought into the emergency room. You are informed that the patient has inhaled an unknown gas that may be toxic in high concentrations. There are no doctors around and you are called to take charge of the situation. What would you monitor, what action(s) would you take, why? (15 points) 7. What is an instrumentation amplifier? Which bio-electrical signals are monitored best using an instrumentation amplifier? Why? (10 points) From your PROJECTS: (3 points each, 33 points total) 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. Which biosignals are most suitable for transfer to medical facilities using telemedicine or biotelemetry? What is the major difference between natural and artificial blood? What disease(s) can be best monitored using qEEG? When is a brain pacemaker used? Would electromagnetic flowmeters work if blood was NOT conductive, why? What is spectroscopy? When is an artificial heart a necessity? When is an artificial heart valve a necessity? What is (are) the main function(s) of a visual prosthesis? Why is an imaging or localization system needed in ESWL? Name 2-3 uses of lasers in dentistry? 100 points total - GOOD LUCK!