Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 7th Sem New 2171102 Biomedical Instrumentation Previous Question Paper
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2171102 Date: 06/12/2018
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) Discuss Nervous system. 03
(b) Discuss ECG signal with various points of voltage level. 04
(c) Explain the generalized medical instrumentation system in detail. 07
Q.2 (a) Discuss the body cells in brief. 03
(b) Discuss EEG bands in detail. 04
(c) Explain Compensation Techniques in detail. 07
OR
(c) Explain Active state of excitable cells. 07
Q.3 (a) What are the sources of Noise? 03
(b) Explain noise reduction by signal averaging in biomedical signals. 04
(c) Explain Internal Electrodes in detail. 07
OR
Q.3 (a) Define following terms: Noise factor, Noise figure, and Noise temperature 03
(b) An EEG system processes a 5 microvolt signal in the presence of a 100
microvolt random noise level. Calculate the unprocessed SNR, the processes
SNR for 400 repetition of the signal.
04
(c) Explain body surface electrodes in detail. 07
Q.4 (a) Discuss: Cerebral angiography 03
(b) Enlist the typical EEG system faults. 04
(c) Explain the standard 12 lead system for ECG measurements in detail. 07
OR
Q.4 (a) Discuss: Cranial x-rays 03
(b) Discuss the ECG system faults. 04
(c) Explain the standard 10-20 system for EEG measurements in detail. 07
Q.5 (a) Compare perfectly Polarizable and Nonpolarizable Electrodes. 03
(b) Discuss basic approaches to protect against shock. 04
(c) Explain Macroshock Hazards in detail. 07
OR
Q.5 (a) Discuss various types of Noise. 03
(b) Enlist various important susceptibility parameters for safety. 04
(c) Explain Microshock Hazards in detail. 07
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This post was last modified on 20 February 2020