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2003 & 1997 Course Biomedical Instrumentation (Elective I)

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Total No. of Questions : 12] [Total No. of Pages : 3 [3664] - 246 P 1366 B.E. (Instrumentation & Control) BIOMEDICAL INSTRUMENTATION (1997 & 2003 Course) (406264) (Elective - I) (Sem. - I) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer any three questions from each section. 2) Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn whenever necessary. 4) Figures to the right indicate full marks. 5) Assume suitable data, if necessary. SECTION - I Q1) a) Define bio electrode. Name various types of basic bioelectrodes used for bioelectric potential measurements. Explain the necessity of microelectrode, Micropipette electrode. [8] b) Draw and explain electrical equivalent circuit of electrode jelly and Tissue. Specify the importance of use of jelly at electrode electrolyte interface. [8] OR Q2) a) b) Why silver-silver chloride electrode is suitable in biomedical applications? State the properties possess by bio-electrodes. [8] Define and discuss the term Biosensors . [4] c) What are the voltage range, frequency range, and electrode used for ECG and EEG signals? [4] Q3) a) Explain different Chambers of heart. Explain an Electrical conduction system of heart and the process of ECG genesis. [8] b) Discuss the various ECG leads configuration in detail. [8] OR Q4) a) b) Enlist various preamplifiers used in bio signal conditioning? What are limitations of differential amplifier and explain how it overcomes with improved version of the same. [10] Draw and explain Heart Rate meter. [6] P.T.O.

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