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Reg No.: Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SIXTH SEMESTER B.TECH DEGREE EXAMINATION(S), DECEMBER 2019

Course Code: EE372
Course Name: BIOMEDICAL INSTRUMENTATION
Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions, each 6111055 marks. Marks
1 What are bio signals? Give specific examples (Smarks )
2 Explain electro conduction pathway of heart. (Smarks )
3 What is Korotkoff sound? What are its biomedical applications? ( Smarks)
4 Write brief notes on respiratory parameters. (Smarks )
5 Discuss the principle of Lithotripsy. (Smarks )
6 Write brief notes on ultrasound scanning. (Smarks )
7 What is micro shock? How it is affected to human body? (Smarks )
8 Discuss telemedicine. What are its biomedical applications (Smarks )
PART B
Answer any two full questions, each carries10 marks.
9 a) Discuss the problems encountered in biomedical measurements. ( Smarks)
b) Explain the developments of action potential with respect to human cells with ( Smarks)
necessary figures
10 a) With the help of necessary figure explain the working of cardiovascular system (Smarks )
of human body.
b) What is cardiac vector? Explain ECG leads with necessary figures. ( Smarks)
11 a) Draw and explain the block diagram of a biomedical instrumentation system. (Smarks )
b) What are microelectrodes? Explain the electrical equivalent circuit of a ( Smarks)
microelectrode skin interface,
PART C
Answer any two full questions, each carries10 marks.
12 a) Write the method of measuring Blood Pressure by cardiac catheterisation. (Smarks )

b) Explain the working principle of phonocardiograph with sound waves. (Smarks )
13 a) What is plethysmography? Explain impedance plethysmograph with necessary (Smarks )

diagram

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