LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – MEDICAL LAB TECHNOLOGY

FOURTH SEMESTER – APRIL 2006

                                                 ML 4805 – NON INVASIVE TECHNIQUES

(Also equivalent to ML 4801)

 

 

Date & Time : 20-04-2006/FORENOON     Dept. No.                                                       Max. : 100 Marks

 

 

Part A                                               (Answer All)                                    10 ´ 2 = 20

1. Name the four types of electrode system.
2. What is heart block? Mention its types.
3. Define montage electrode selector.
4. Name the two types of computed tomography.
5. What are the four basic densities on an X ray and mention the colour which appears on the X ray film.
6. Mention the interfering factors that occur while performing electroencephalography.
7. What are the causes for hyperfluorescence and hypofluorescence.
8. List the four MRI methods that are available for examination.
9. Name the three tests that are performed in evoked potential studies.
10. What are invasive and non-invasive techniques.

 

Part B                                          (Answer any four)                                4 ´ 10 = 40

11. Write the principle and working mechanism of electroencephalography.
12. Describe visual acuity in detail.
13. Describe the principle of X ray. Mention its types and uses.
14. Explain the principle of Doppler ultrasonography.
15. Explain principle, procedure and limitations of MRI.
16. Explain the principle and recording set up of electromyography.

 

Part C                                           (Answer any two)                                2 ´ 20 = 40

17. Explain in detail the principle, procedure and recordings of ECG.
18. Describe in detail the Transcranial Doppler studies.
19. Explain positron emission tomography in detail.
20. Explain the principle, procedure and working mechanism of computed tomography.

 

 

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