Download GTU B.Tech 2020 Summer 3rd Sem 2130303 Bioelectric Potential And Measurement Techniques Question Paper

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Subject Code: 2130303

BE - SEMESTER- III EXAMINATION - SUMMER 2020

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GUJARAT TECHNOLOGICAL UNIVERSITY

Date: 27/10/2020

Subject Name: BIOELECTRIC POTENTIAL AND MEASUREMENT TECHNIQUES

Time: 02:30 PM TO 05:00 PM

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Total Marks: 70

Instructions:

1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

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Q.1

1. (a) Describe briefly the propagation of action potential with neat diagram. 03
2. (b) Give the normal frequency range and amplitude range of following Bioelectric signals 04
   1. (1) ECG (2) EMG (3) EEG
3. (c) Also draw ECG waveform with labelling 07

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Q.2

1. (a) Explain in detail any three principle of transduction with necessary examples. 03
2. (b) Enlist the various problems encountered during measurement of bio-potentials. 04
3. (c) Explain mass and energy conservation theorem briefly. 07

OR

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1. (a) Define Transducer. Give difference between following: 07
   1. (1) Active Transducer v/s Passive Transducer
   2. (2) Analog Transducer v/s Digital Transducer
2. (b) Explain in detail skin — electrode interface with neat labelled diagram. 03
3. (c) Explain structure of Neuron with neat diagram. 04

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Q.3

1. (a) Enlist and explain briefly the techniques used for motor movement analysis. 07
2. (b) Explain in detail the block diagram of EEG measuring system. 03
3. (c) Define Electrode. Classify the various types of electrodes giving examples. 04

OR

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1. (a) Explain Cardiac Cycle events in brief with diagram. 07
2. (b) Define Montage and illustrate 10 — 20 electrode system for measurement of EEG. 03
3. (c) Explain briefly the basic working of defibrillator with diagram. 04

Q.4

1. (a) Describe briefly any one method for measurement of Cardiac output. 07

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2. (b) Describe in detail the instrumentation system for measurement of EMG with neat diagram. 03
3. (c) Define Diathermy. Explain briefly application of diathermy in therapy 04

OR

1. (a) Explain structure of Muscle with neat labelled diagram 07
2. (b) Explain measurement of ECG using Einthoven’s triangle technique with neat diagram. 03

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3. (c) Explain why FirstRanker.com continuously. 04

Q.5

1. (a) Compare and contrast Nerve Stimulator and Muscle Stimulator 07
2. (b) Explain in detail Multipara monitoring system with diagram. 03
3. (c) Write short note on Functional Electrical Stimulus. 04

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OR

1. (a) Explain the block diagram of Hearing Aid system. 07
2. (b) Explain briefly the technique of automatic diagnosis for any two bioelectric signal. 03
3. (c) Fkkkthdhh bt 04

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