F 03000EE372052013 Pages: 2

Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Sixth Semester B.Tech Degree (Hons.) Examination June 2020

Course Code: EE372
Course Name: BIOMEDICAL INSTRUMENTATION

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions, each carries 5 marks. Marks
1 With neat block diagram explain man instrument system. (5)
2 Draw and explain the equivalent circuit of biopotential electrodes between (5)

electrodes& skin.

Explain how phonocardiography helps in medical diagnosis. (5)
4 Write a short note on respiratory pneumography. (5)
5 What is surgical diathermy? Explain the various electro surgery techniques (5)
available.
6 Explain the working of lithotripsy machine. (5)
7 What is the difference between micro shock and macro shock? (5)
8 Explain the working of Spectrophotometer. (5)
PART B

Answer any two full questions, each carries 10 marks.
9 a) Distinguish between action potential and resting potential. Explain the (6)

propagation of action potential.

b) What is sodium pump? (4)
10 Explain with neat diagram the electro-conduction system of the heart (10)
11 a) Compare EMG and ERG (4)

b) Explain ECG machine working with neat block diagram and also draw the (6)

Einthoven triangle.

PART C
Answer any two full questions, each carries 10 marks.
12 8) Explain how nerve conduction velocity is measured. (5)
b) Explain how Spiro meter can be used to measure respiratory volume. (5)
13 Explain any two types of indirect method of blood pressure measurement. (10)
14 a) What is Plethysmograph? Explain full body Plethysmograph with illustration. (5)

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