SRM University 2007 B.Tech Electronics and Communications Engineering Bank of : Biomedical Instrumentation - Question Paper

SRM Institute of Science & Technology
School of Electronics & Communication Engineering
ques. Bank
Subject Code : EC352
Subject Name : Biomedical Instrumentation
Year & Semester : III Year ,VI Sem

UNIT –I
PART-A
1. What is Bio potential? Name different kinds of bio potential sources.
2. What is resting potential of a cell? provide typical values.
3. What is an action potential? How can it be evoked?
4. What are the properties of cell membrane action potential?
5. How is action potential propagated?
6. What is neuronal spike? Draw a typical spike showing amplitude and duration.
7. What is the role of sodium pump?
8. What is a synapse? What is its function?
9. Draw the diagram of a neuron and mark important parts.
10. Compare the conduction velocities in myelinated and non-myelinated sheaths.
11. What is saltatory conduction? elaborate its advantages?
12. What are the functions of somatic senses?
13. What is PNS?
14. What are afferent and efferent nerves?
15. Differentiate sensory nerves and motor nerves.
16. What is spinal reflex? How is it related to the functions of the brain?
17. What is sulci? How many lobes are there in brain? Name them.
18. What is SA node?
19. Compare the 2 kinds of blood circulation in the body.
20. Differentiate internal and external respiration.
21. What is respiration? What is the basis of CO2 and O2 exchange in lungs?
22. Define half cell potential?
23. Differentiate active and passive transducers.
24. List various kinds of electrodes.
25. What is a micro electrode?
26. Give the equivalent circuit diagram of surface electrode placed over the skin.
27. What is the need for electrode paste?
28. What is meant by Seebeck & Peltier effect?


PART-B
1. Explain the way in which a neuronal spike is evoked and transmitted from 1 neuron to a different neuron.
2. Explain the function of Central nervous system with neat diagram.
3. Explain the function of Peripheral nervous system with neat diagram.
4. Explain the circulatory system from the hemodynamics view point. What is the mean blood pressure in the systemic and pulmonary circulation?
5. Describe the condition mechanism of heart with a neat diagram.
6. Explain in detail the physiology of respiration.
7. Explain in detail with neat diagram, different electrodes used in biomedical applications.
8. Explain in detail, the principal and working of any 2 active transducers in biomedical applications.
9. Explain in detail the principal and working of any 2 passive transducers in biomedical applications.
10. Draw and discuss metal micro electrode and micropipette electrode.

UNIT II
PART A:
1. Name a few electrodes used in ECG measurement?
2. Give the standard 12 lead system used in ECG.
3. What is ECG? Draw the waveform and mark important regions.
4. What is EEG? provide its frequency bands.

Earning:   Approval pending.