1
LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
M.Sc. DEGREE EXAMINATION MEDICAL LAB TECHNOLOGY
FOURTH SEMESTER NOVEMBER 2017
ML 4814 NON INVASIVE TECHNIQUES
Date: 11-01-2017 Dept. No. Max. 100 Marks
Time: 09:00-12:00
PART A
Answer ALL the questions (10 x 2 20 Marks)
1. List the sources of biomedical signals.
2. Mention the leads used in electrocardiography.
3. Differentiate ionsing from nonionising radiation.
4. Enumerate the benefits of fluoroscopy.
5. List the benefits of ultrasonography.
6. Expand DEXA and SPECT.
7. Mention the need for breast compression in mammography.
8. Enumerate the risks of colonoscopy.
9. Draw the basic medical instrumentation system.
10. Write the purpose of electroencephalography.
PART B
Answer any FOUR of the following 4 x 10 40 Marks)
11. Describe the patient preparation and procedure of MRI.
12. Give an account on dual energy X ray absorptiometry.
13. Explain conventional and virtual colonoscopy.
14. Explain the principle and procedure of computed tomography.
15. Give an account on ultrasonography.
16. Draw and explain biopotential electrodes.
PART C
Answer any TWO of the following 2 x 20 40 Marks)
17. Explain the direct and indirect opthalmoscopy.
18. Discuss the principle, patient preparation, procedure and benefits of X rays.
19. Explain the principle, procedure and advantages of positron emission tomography.
20. Give an account on the principle, patient preparation and procedure for
electroencephalography.