Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 7th Sem New 2171102 Biomedical Instrumentation Previous Question Paper
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? VII (New) EXAMINATION ? WINTER 2019
Subject Code: 2171102 Date: 05/12/2019
Subject Name: Biomedical Instrumentation
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q. 1 (a)
(b)
Define the terms: Action Potential and Resting Potential.
With neat figures, explain the depolarization and repolarization process.
03
04
(c) Draw and thoroughly explain the generalized medical instrumentation system. 07
Q. 2 (a) What is an electrode? With the help of neat figures, explain needle electrodes. 03
(b) Explain in detail the micro-electrodes. 04
(c) Explain the following terms with neat figures: Hysteresis, Response time,
Sensitivity, Precision
07
OR
(c) Explain the signal processing tactics for improved sensing. 07
Q. 3 (a) Explain various noise reduction strategies. 03
(b)
(c)
What is an instrumentation amplifier? State its utilities and applications.
With the help of neat figure, explain the human heart functioning.
04
07
OR
Q. 3 (a) What is a biopotential? State various types of biopotentials available from the
human body.
03
(b)
(c)
Draw and explain the ECG amplifier with right-leg and shield drive.
With the help of neat figure, explain the ECG machine mechanism.
04
07
Q. 4 (a) Describe the basic approaches for protection against shock. 03
(b)
(c)
With a neat figure, explain the structure of a neuron.
With the help of neat figures, explain the 12-lead system used in ECG
measurement.
04
07
OR
Q. 4 (a) Explain the organization of the nervous system. 03
(b)
Discuss physiological effects of electricity and important susceptibility
parameters.
04
(c)
Explain the 10-20 system for EEG recording with neat figures.
07
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? VII (New) EXAMINATION ? WINTER 2019
Subject Code: 2171102 Date: 05/12/2019
Subject Name: Biomedical Instrumentation
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q. 1 (a)
(b)
Define the terms: Action Potential and Resting Potential.
With neat figures, explain the depolarization and repolarization process.
03
04
(c) Draw and thoroughly explain the generalized medical instrumentation system. 07
Q. 2 (a) What is an electrode? With the help of neat figures, explain needle electrodes. 03
(b) Explain in detail the micro-electrodes. 04
(c) Explain the following terms with neat figures: Hysteresis, Response time,
Sensitivity, Precision
07
OR
(c) Explain the signal processing tactics for improved sensing. 07
Q. 3 (a) Explain various noise reduction strategies. 03
(b)
(c)
What is an instrumentation amplifier? State its utilities and applications.
With the help of neat figure, explain the human heart functioning.
04
07
OR
Q. 3 (a) What is a biopotential? State various types of biopotentials available from the
human body.
03
(b)
(c)
Draw and explain the ECG amplifier with right-leg and shield drive.
With the help of neat figure, explain the ECG machine mechanism.
04
07
Q. 4 (a) Describe the basic approaches for protection against shock. 03
(b)
(c)
With a neat figure, explain the structure of a neuron.
With the help of neat figures, explain the 12-lead system used in ECG
measurement.
04
07
OR
Q. 4 (a) Explain the organization of the nervous system. 03
(b)
Discuss physiological effects of electricity and important susceptibility
parameters.
04
(c)
Explain the 10-20 system for EEG recording with neat figures.
07
Q. 5 (a)
(b)
An EEG system processes a 5 ?V signal in the presence of a 100 ?V random
noise. Calculate the unprocessed SNR, the processed SNR for 1000 repetitions
of the signal and the processing gain.
Draw and explain various EEG rhythms.
03
04
(c) Draw and explain an EEG telemetry system block diagram. 07
OR
Q. 5 (a) For a typical EEG preamplifier (instrumentation amplifier), R3= R5= 100 K ?,
R4= 4 K ?, R6= 10 K ? and R7= 100 K ?. Calculate the output voltage for the
differential EEG input signal of 100 ?Vp-p.
03
(b)
(c)
Briefly explain the block diagram of an eight-channel EEG recording system.
Draw and explain the block diagram of a visual and auditory evoked potential
system.
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04
07
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This post was last modified on 20 February 2020