06000EC365122001 Pages: 2

Reg No.: Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Fifth Semester B.Tech Degree Regular and Supplementary Examination December 2020

Max. Marks: 100

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Course Code: EC365
Course Name: BIOMEDICAL ENGINEERING

PARTA

Answer any two full questions, each carries 15 marks.
What is Nernst equation and its application in electrode theory? How are bio
potential electrodes classified?
Describe the principle of electromagnetic flowmeter to measure the blood flow?
What is a chopper amplifier? Explain its working and what are its advantages?
Explain the functional block diagram of a modern ECG machine.
What is role of isolation amplifier in clinical laboratory? Explain the working of
any one type of isolation amplifier.
It is desired to measure BP of a patient, without causing him any discomfort.
Suggest a suitable method and explain the measurement process.

PART ‏تا‎

Answer any two full questions, each carries 15 marks.
What is a pacemaker? Explain its working with a functional block diagram. What
are the different types of artificial pacemakers?
Compare and contrast spirometer and plethysmograph.
What are the functional units in a heart-lung machine? Explain.
What is the principle of pulse oximeter? Explain its working with a block
diagram.
What is the purpose of measuring nerve conduction velocity? Explain the
instrumentation setup for EMG recording.

Explain the principle of different types of ventilators.

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Duration: 3 Hours

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