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2003 & 1997 Course Biomedical Instrumentation (Elective)

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Total No. of Questions : 12] P1561 [Total No. of Pages : 3 [3764]-284 B.E. (Instrumentation & Control) BIOMEDICAL INSTRUMENTATION (1997 & 2003 Course) (Elective) (406264) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) 2) 3) 4) 5) Answer three questions from each section. Answers to the two sections should be written in separate books. Neat diagrams must be drawn wherever necessary. Figures to the right indicate full marks. Assume suitable data, if necessary. SECTION - I Q1) a) Explain Electrode offset potential? How effect of electrode offset potential is overcome. Explain the various properties that bio-electrode should possesses. [8] b) Define bio electrode. Name various types of basic bio electrodes used for bioelectric potential measurements. Explain the necessity of microelectrode, Micropipette electrode. [8] OR Q2) a) Define and discuss the term Biosensors . [6] b) What is a half cell potential? Draw and explain electrical equivalent circuit of electrode jelly and Tissue. [8] c) What are the important of use of Electrolytic Jelly at the skin-electrode interface? [2] Q3) a) Explain in detail the pumping action of the heart and the genesis of ECG [8] waveform. b) Discuss the various ECG leads configuration in detail. OR [8] Q4) a) List out various bioelectric preamplifiers. Explain chopper amplifier in detail. [10] b) Draw and explain Heart Rate meter. [6] P.T.O.

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