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Reg No.: Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
EIGHTH SEMESTER B.TECH DEGREE EXAMINATION, MAY 2019

Course Code: EC482
Course Name: BIOMEDICAL ENGINEERING
Max. Marks: 100 Duration: 3 Hours
PART A
Answer any two full questions, each carries 15 marks. Marks
1 ஐ Write short notes on (a) ECG (0) EMG (c) EEG (d) EOG signals. (8)
b) With necessary diagrams explain how action potential is generated in human (7)
body.
2 a) Describe the working of ECG machine with block diagram. (6)
b) Discuss the different lead configurations used in ECG. (9)
3 a) Describe any two surface electrodes with sketches. (7)
b) Explain the working of ultrasonic blood pressure measurement, with illustration. (8)
PART B
Answer any two full questions, each carries 15 marks.
4 a) Illustrate the working of any spirometer with diagram. (8)

b) Draw and explain different types of EEG waves with amplitude, frequency and (7)
mental conditions.
5 9) With neat sketches explain haemodialysis machine. (10)
b) Draw and explain block diagram of pacemaker. (5)
6 a) Describe an instrumentation system to bypass the function of lungs and heart (9)
during an open heart surgery.
b) Draw and explain DC defibrillator. (6)
PART C
Answer any two full questions, each carries 20 marks.
7 a) Describe the principle of ultrasound imaging and illustrate different imaging (10)

modalities.
b) Illustrate the working of X-ray machine with necessary block diagram. (10)
8 a) Describe with block diagram, explain different generations in scanning systems (10)

used in CT scan.
b) Write short notes on Macro shock and Micro current shock. (10)
9 a) Draw the block diagram of MRI system and explain the image reconstruction (10 )
method.

b) Explain a biotelemetry system with block diagram. ( 10)

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