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1997 Course Medical Electronics - II

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Total No. of Questions : 10] [Total No. of Pages : 2 [3664] - 46 P 1181 B.E. (Electronics) MEDICAL ELECTRONICS - II (1997 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer any 3 questions from each section. 2) Answers to the two sections should be written in separate answer books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. 5) Assume suitable data, if necessary. Q1) a) b) SECTION - I Explain the working of Electroencephalography. How the sensitivity of EEG machine is controlled? [8] Draw the blocks diagram of single channel ECG machine. Explain its working with necessary waveform. [8] Q2) a) b) With the help of neat diagram, explain the working of EMG machine. [8] Define systole and dystole? Explain the direct method of measurement of blood pressure. [8] Q3) a) Explain the working of bedside monitor used in ICU for the measurement of ECG, heart rate and blood pressure. [8] Name the different methods used for the measurement of respiration rate? Explain the CO2 method of respiration rate measurement. [8] b) Q4) a) b) Explain the working of Widened QRS detectors with necessary diagram. [8] Describe the process of communication in Neurons. [8] Q5) Write short note on : a) Magnetic Resonance Imaging. b) ANS. c) Arrhythmia monitor. [18] P.T.O. SECTION - II Q6) a) b) Q7) a) b) What is the function of diathermy machine? Explain the working of microwave diathermy machine. [8] Differentiate between single channel and multichannel telemetry system. Explain how single channel telemetry system is used for transmission of ECG. [8] Explain the working of Radiotelemetry transmitter for ECG and respiration activity. [8] What are the different stimulating unit available? Explain any one in detail. [8] Q8) a) b) Explain the merits and demerits of MRI system in detail. [8] What is CT scanner? Explain the basic working principle of CT scanner. [8] Q9) a) b) State the different types of LASERS? Explain any one in detail. Draw and explain the blocks diagram of X-ray machine. Q10)Write short notes on a) ECG Amplifier. b) Cardiac Pacemaker. c) AC defibrillator. [3664] - 46 [8] [8] [18] -2-

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