LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION – MEDICAL LAB. TECH.
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FOURTH SEMESTER – APRIL 2008
ML 4801 – NON-INVASIVE TECHNIQUES
Date : 16/04/2008 Dept. No. Max. : 100 Marks
Time : 9:00 – 12:00
SECTION –A
Answer all the following. 10 x 2 = 20 marks
- List the causes for hyper and hypofluorescence in fluorescein angiography.
- What is the purpose of computed tomography?
- How the gamma rays are produced in positron emission tomography?
- Draw the patterns of bloods flow that can be detected by ultrasonography.
- When does atrial fibrillation occurs in electrocardiography?
- Define a.)Ametropias b.)Staphylomas
- What is the necessary for breast compression in mammmography?
- What are the three factors that are responsible for image qualityin magnetic resonance
imaging?
- Define Paget’s disease and infective mastitis.
10.Diferentiate protanopia from tritanopia.
SECTION B
Answer any four of the following. 4 x 10=40 marks
- Explain the procedure for visual acuity test.
- Describe the different modes of examination in ultrasound technology
- Give an account on the principle and clinical applications of magnetic resonance imaging.
- Explain the different types of leads, the normal and abnormal interpretations of
electrocardiography.
- Describe the three types of tests that are performed in evoked potential studies.
- Give an account on the purpose, advantages and disadvantages of opthalmoscopy.
SECTION-C
Answer any two of the following. 2 x 20=40 marks
- Explain in detail about positron emission tomography.
- Describe the principle, procedure and abnormal findings of computed tomography.
- Give a detailed account on the procedure, findings and implications of the result of
electroencephalography.
- With the neat block diagram, explain the working mechanism, types and advantages of
x-rays.