F6852 Pages: 2
Reg. No. Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SIXTH SEMESTER B.TECH DEGREE EXAMINATION, APRIL 2018
Course Code: EE372
Course Name: BIOMEDICAL INSTRUMENTATION
Max. Marks: 100 Duration: 3hours

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PART A

Answer all questions. 5 marks each.
Discuss the functional organisation of peripheral nervous system.
With suitable examples write about chemical biosensors and chemicalanalytes with
respect to blood
Explain the effect of electrode potential on biosignals.
What is blood pressure? How it is measured?
Write brief note on measurement of nerve conduction velocity.
Explain the properties and biomedical applications of X-rays.
Discuss the principle and application of diathermy.
What do you mean by telemedicine?

PART B
Answer any two questions. 10 marks each,

a) Discuss what are the problems encountered in measurement on biological (6)
systems.
b) Explain the construction and working principle of microelectrodes (4)
a)Draw the block diagram of biomedical instrumentation system and explain the
functions of each block (6)
b) Briefly explain the physiological functions of human respiratory system (4)
. a)What 15 cardiac vector ? Explain ECG leads with necessary figures. (6)
b) Mention the applications of floating and flexible type surface electrodes with
necessary figures. (4)
PART C

Answer any two questions.10 marks each,

. a)Explain auditory method of blood pressure measurements with
necessary figure (5)
b) Explain any one method to measure blood flow (5)
a) Discuss electrical conduction path way of heart and explain the working
principle of artificial cardiac pacemaker with necessary figures (10)

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