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MADHA ENGINEERING COLLEGE, DEPT. OF ELECTRONICS & COMMUNICATION ENGG., , EC8073 – MEDICAL ELECTRONICS, MODEL THEORY EXAM – Jan. 2022, Year/Sem: III / V, Batch: 2019 – 2023, Duration: 3 Hrs., PART A, , Date: 20.01.2022, Time: 1 PM – 4 PM, Max. Marks: 100, Answer ALL Questions, , 10 x 2 = 20 Marks, , 1. Define action potential., 2. What is bio electric potential?, 3. List the names and frequency bands of EEG signals, 4. What is cardiac output. List the methods of measurement of cardiac output., 5. What are the components of Blood?, 6. What types of electrodes are used in a defibrillator?, 7. What are pacemakers?, 8. List out the advantages of a Bio-telemetry system., 9. Draw the basic concepts of a telemedicine system., 10. Define: Lab on a Chip., , 2. Explain the working principle of EEG recording setup or machine in detail, (or), Explain the working principle of Calorimeter types with a neat diagram., , 3. Explain in detail: Spirometer and measurement of total lung capacity., (or), Explain the method of measuring the velocity of blood flow using, (1) Transit time principle (2) Doppler effect, 4. Explain in detail with a neat diagram: DC Defibrillator, (or), Explain in detail with a neat diagram: Cardiac pacemakers with any two types., , 5. Explain in detail with a neat diagram: a typical telemedicine setup., (or), Explain in detail with a neat block diagram: Insulin pump, radio pill, , PART C, , Answer ALL Questions, , 1 x 15 = 15 Marks, , 1. Explain the physiological nature of the ECG waveform with a neat, sketch and explain its recording setup., PART B, , Answer ALL Questions, , 5 x 13 = 65 Marks, (or), , 1. Discuss the different types of surface electrodes and its applications., , (or), Explain in detail various types of bio potential electrodes., , Explain the various cardiac output measurements by indirect methods, with a neat diagram, , ALL THE BEST