Download GTU B.Tech 2020 Winter 5th Sem 3151710 Biomedical Instrumentation Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 3151710 Biomedical Instrumentation Previous Question Paper

Seat No.: ________
Enrolment No.___________ 1
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code:3151710 Date:22/01/2021
Subject Name:Biomedical Instrumentation
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.
Q.1
(a) Draw and explain functional block of generalized medical instrumentation
03
system.
(b) Brief about various classification method of medical measurement systems.
04
(c) Discuss medical measurement constrain in detail.
07
Q.2 (a) Define homeostasis in your word. Brief about cell membrane.
03
(b) How action potential propagate on i) single unmylielinated nerve fibre, and ii)
04
single mylielinated nerve fiber.
(c) How action potential is generated in certain cell of living species?
07
Q.3 (a) Draw a normal ECG waveform with all its parameters.
03
(b) Discuss following heart problems:
04
(i) Myocardial infarction (ii)Tachycardia-Bradycardia (iii) Premature
Ventricular contraction (iv) Fibrillation
(c) Explain standard ECG lead system. What is Einthoven triangle? How Wilson
07
terminal is formed?
Q.4 (a) Explain the physiology of heart.
03
(b) Explain electroconduction system of heart.
04
(c) Explain Right-leg driven circuit in detail.
07
Q. 5 (a) Brief about susceptible parameters that will determine the effect of current on
03
human body.
(b) Discuss the psychophysical and physiological effects that occur in human as the
04
magnitude of applied electric current progressively increases.
(c) Explain microshock hazard and macroshock hazard in detail.
07
Q.6 (a) List out different types of body surface electrodes and internal electrodes.
03
(b) Discuss ` Half-cell' potential of an electrode in detail
04
(c) State the differences between polarizable and non-polarizable electrodes. Brief
07
about working of Silver/silver chloride electrode.
Q.7 (a) Draw a single structure of neuron.
03
(b) Discuss instrumentation used to measure anatomical and physiological
04
parameters of the brain.
(c) Brief about 10-20 electrode placement system. Also brief about different EEG
07
recording modes.
Q.8 (a) Brief about bio-electric signals. List out types of bio-electric signals.
03
(b) What is "motion artifact" ? Justify: A motion artifact ? a serious cause of
04
interference in the measurement of bio-potential.
(c) Discuss various layer of skin. Discuss equivalent circuit for electrode-skin
07
interface in detail.
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