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Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Seventh Semester B.Tech Degree Examination (Regular and Supplementary), December 2020

Course Code: AE403
Course Name: BIOMEDICAL INSTRUMENTATION
Max. Marks: 100 Duration: 3 Hours
PARTA
Answer any two full questions, each carries 15 marks. Marks
1 a) Explain ionic potentials and the propagation of action potential in human body. (8)
b) Differentiate between unipolar and bipolar electrodes. (7)

2 a) Explain the EEG measurement technique in detail. Also, explain different types (10)

of brain waves.

b) Explain the working of Defibrillator circuit with diagram. (5)
3 a) Explain any two types of pacemakers with block diagram. (8)
b) Explain different types of microelectrodes with diagrams. (7)
PART ‏تا‎
‎Answer any two full questions, each carries 15 marks.
4 a) Describe the working of short wave diathermy unit. (7)
b) Explain the working of artificial respirator. (8)
5 a) With block diagram explain a multichannel ECG telemetry system. (7)
b) What are the sources of electrical hazards in patient monitoring systems? (8)
6 a) Explain the working of any one type of oximeter with diagram. (8)
b) Describe the bed side monitoring and central monitoring systems. (7)
PART C
Answer any two full questions, each carries 20 marks.
7 a) Explain the working of Flame photometer with neat diagram. (10)
b) Explain the methods for measurement of oxygen in blood. (10)
8 a) Explain ultrasound scanning technique with diagram. (8)
b) Explain MRI scan with neat diagram. (12)
9 a) Explain any one method for blood cell counting. (5)
b) Explain the working spectrophotometer and colorimeter. (10)
c) Explain the principle of operation of endoscopy. (5)

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