LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION – MEDICAL LAB TECHNOLOGY
FOURTH SEMESTER – APRIL 2007
ML 4801 – NON INVASIVE TECHNIQUES
Date & Time : 16.04.2007/9.00-12.00 Dept. No.
Max. 100 Marks
Section-A
Answer all the questions
10X2=20 marks
1. What is the significance of breast compression in mammography?
2. What is epilepsy? Differentiate gradmal from petimal epilepsy.
3. What is the purpose of opthalmoscopy?
4. Mention the three factors that are responsible for image quality in MRI.
5. Distinguish conventional and Helical Computed Tomography.
6. Mention the types of brain waves and the frequencies that are observed in EEG.
7. What are the equipments that are used in fluorescein angiography.
8. Expand: CRVO, OPPG, BRVO, WPW
9. What are the four densities that can be observed on an X-ray?
10. Distinguish radiopharmaceuticals from radionucleides.
Section-B
Answer any four of the following
4X10=40 marks
11. Describe the principle and abnormal findings of mammography.
12. Explain the equipment and the techniques that are used in fluorescein angiography.
13. Write short notes on abnormal interpretations of Electrocardiography.
14. Explain the patient preparation and procedure of OPG and OPPG.
15. Explain the types of indirect ophthalmoscopy.
16. Give an account on the types of biomedical signals.
Answer any two of the following
HP 02
Section –C
2X20=40 marks.
17. Explain in detail Positron emission tomography.
18. Describe the principle, procedure and abnormal findings of ultrasonography.
19. Describe the working mechanism, procedure and limitations of Magnetic resonance
imaging.
20. Explain the principle and procedure of Electromyography and visual acuity test.
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