GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-VI (NEW) EXAMINATION - WINTER 2020
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Subject Code:2161712 Date:01/02/2021Subject Name:Bio-Potential Instrumentation
Time:02:00 PM TO 04:00 PM Total Marks: 56
Instructions:
- Attempt any FOUR questions out of EIGHT questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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MARKS
Q.1 (a) Define bio-potential Instrumentation. 03
(b) Which are the types of noises? Explain SNR. 04
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(c) Enlist the physiological systems in human body. Explain any one with neat diagram. 07 Q.2 (a) Briefly explain ECG, EEG & EMG. 03
(b) Enlist different strategies for noise reduction. 04
(c) Explain Anatomy & Physiology of the heart. 07
Q.3 (a) With proper diagram explain generation of bio potential from cell of a human body. 03
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(b) Draw and explain the isolation amplifier as a part of signal conditioning circuit. 04(c) Write short note on following. 07
a. Instrumentation Amplifier b. Isolation amplifier
Q.4 (a) Define polarizable and non-polarizable electrodes 03
(b) Explain Tactics and signals processing for improved sensing. 04
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(c) Write short note on following.:(a) ECG readout devices 07(b) Common ECG machine Faults & its troubleshooting
Q.5 (a) What is resting state? 03
(b) Explain electro-conduction system of the heart. 04
(c) Discuss Commercial Medical Instrumentation Development Process 07
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Q.6 (a) What is micro shock and macro shock hazard? 03
(b) Explain the classification of EEG signals as per frequency ranges. 04
(c) Explain body surface electrodes with neat diagrams 07
Q.7 (a) Define Electroencephalography. 03
(b) Briefly explain maintenance techniques for ECG machine 04
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(c) Explain lead system of ECG in detail. 07 Q.8 (a) Define Physiological effects of electricity. 03
(b) Mention probable ECG faults and explain its trouble shooting. 04
(c) What is EEG? Explain 10-20 electrode system 07
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