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

20. What are the typical conditions in the cardiovascular system which causes turbulence in blood flow?
21. What is BSR, GSR?
22. State the normal PH value of arterial blood and venous blood.
23. What are acidosis and Alkalosis?


PART-B
1. Explain in detail the direct(strain gauge) and indirect(sphygmomanometer)methods of blood pressure measurement.
2. With the neat diagram discuss in detail the construction and working of the magnetic blood flow meter.
3. With the neat diagram discuss in detail the construction and working of the ultrasonic blood flow meter.
4. Describe the different lung quantities and capacities and discuss the different techniques used in lung quantity measurements.
5. With a neat diagram discuss what is meant by plethysmography. explain the different kinds of plethysmograph.
6. What is cardiac output? How it can be measured using Indicator dye dilution technique?
7. Discuss Heart sounds. discuss how they can be measured and also discuss how it is used in diagnosis.
8. Give the construction and working of
a. pH electrode b) Pco2 electrode
9. Write notes on
a. GSR Measurement b) Po2 electrode

UNIT IV
PART A:
1. What is the principal of MRI system?
2. What is Biotelemetry?
3. What are the advantages of using Lasers in medicine?
4. Mention the elements of Biotelemetry system. Also, include the minimum specifications or mode of operation of every.
5. Write the basic principle of laser action.
6. Mention at lowest 4 medical applications of Thermography.
7. Mention the various kinds of Endoscopes.
8. What is the use of image intensifier?
9. Mention a few applications of X-ray exam.
10. Write the principle involved in CT scanners.
11. What are the different modes of ultrasonic display?
12. Explain about Angiography.
13. What is Bucky grid?
14. What is Larmor’s frequency?
15. What is spin-spin relaxation time, T 2?
16. What is spin-lattice relaxation time, T 1?
17. How focusing and depth of penetration is altered in X-ray tube?
18. What is Radio pill?
19. What is fluoroscopy?
20. What is the principle of thermographic Imaging?
21. Compare ultrasonic diagnosis with X-ray diagnosis.
22. What are the frequency ranges used in ultrasonography?
23. What are the uses of isotopes in medical diagnosis
24. What is PET?


PART B:

1. What is Endoscopy? How are lasers used in Endoscopy?
2. Write a note on Lasers in medicine.
3. Explain the principle and operation of X-ray machine.
4. Explain the working principle of angiography in detail.
5. Explain the principle and working of MRI scanning system.
6. Explain the principle and working of CT scanning system.
7. Explain briefly Biotelemetry with block diagrams.
8. Write a note on Thermography and its different kinds.
9. Write a note on nuclear imaging technique with suitable diagrams.
10. Explain Ultra Sonography and modes with neat diagrams.
UNIT-V
PART-A
1. What is meant by pacemaker?
2. What is the energy needed to excite heart muscle?
3. What is competitive pacing?
4. Give the various kinds of pacemakers.
5. What is the use of refractory circuit in demand pacemaker?
6. What are lithium and mercury batteries?
7. What are prosthetic valves and tissue valves?
8. What is defibrillator?
9. What is meant by ventricular fibrillation?
10. What is biphasic d.c.defibrillator?
11. What is electrotherapy?
12. Give various kinds of waveforms used in stimulators(electrotherapy).
13. What is implanted prosthetic stimulators?
14. What is heart –lung machine?
15. What is an oxygenator?
16. What are the various kinds of oxygenators?
17. What is dialysis? elaborate the various kinds of dialysis?
18. Give the difference ranging from haemodialysis and peritoneal dialysis.
19. What is an Audiometer?
20. What is meant by SISI test?
21. What is Humidifier?
22. What is a Nebulizer? provide its application ?
23. What is an Aspirator?
24. List the issues regarding heart valves.
25. What is an inhalator?
PART-B
1. Describe Cardiac pacemaker and explain various modes of operation of pacemakers.
2. Discuss the various kinds of artificial heart valves and the issues associated with them.
3. What is meant by defibrillation? provide the various kinds of defibrillation. With block diagram discuss
4. Design bladder stimulator, peripheral nerve stimulator ,which can operate externally and discuss its working.
5. Explain heart-lung machine.
6. Discuss the various kinds of oxygenators. Mention its merits and demerits.
7. Describe the Hemodialysis and peritoneal dialysis with suitable diagram.
8. Describe Audiometer and hearing aid with suitable diagrams.
9. With a block diagram ,explain the working principle of an artificial respirators in different modes of operation.
10. With a block diagram discuss the functions of Patient monitoring system.

Earning:   Approval pending.