anna university eee

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1.what are resting and action potentials?
2.what is a neuron?define the various parameter associated with it.
3.what is the purpose of electrode paste?
4.define micro and macro shocks.
5.what is the principle of plethysmograph and how many types are available.
6.list few applications of gas analysis.
7.what is the principle of CT?
8.list few applications of ultra sonography.
9.what is a neutral pacemaker and define a pacemaker?
10.what is the principle of Diathermy?
Part-B
11(a)(i)draw the block diagram of a biomedical instrument system and briefly explain its
components.
(ii)discuss the specifications of a medical instrumentation system.
11(b)(i)list the advantages of optical fibre sensor.
(ii)explain a piezoelectric ultrasonic transducer with a neat schematic diagram.
12(a)(i)describe the function of floating electrode with a neat figure.
(ii)explain the working of a chopper amplifier.
13(a)(i)explain the fick’s method for cardiac output measurements.
(ii)describe the need for blood pH measurement.
13(b)(i)explain the working of a spirometer.
(ii)discuss a finger-tip oxymeter.
B.E./B.Tech DEGREE EXAMINATION, NOVEMBER/DECEMBER 2012
Seventh Semester
BIO MEDICAL INSTRUMENTATION
PART A
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14(a)(i)explain the working of a CT scanner.
(ii)list few applications of endoscopy.
14(b)(i)explain a biotelemetry system with a block diagram.
(ii)what is ultrasound principle?discuss various modes of display.
15(a)(i)explain the working of a fixed rate pacemaker.
(ii)list and explain the applications of stimulators.
15(b)(i)discuss the working of lithotripsy with clear schematic diagrams.
(ii)explain the working of a SW diathermy.

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