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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
- What is the significance of breast compression in mammography?
- What is epilepsy? Differentiate gradmal from petimal epilepsy.
- What is the purpose of opthalmoscopy?
- Mention the three factors that are responsible for image quality in MRI.
- Distinguish conventional and Helical Computed Tomography.
- Mention the types of brain waves and the frequencies that are observed in EEG.
- What are the equipments that are used in fluorescein angiography.
- Expand: CRVO, OPPG, BRVO, WPW
- What are the four densities that can be observed on an X-ray?
- Distinguish radiopharmaceuticals from radionucleides.
Section-B
Answer any four of the following 4X10=40 marks
- Describe the principle and abnormal findings of mammography.
- Explain the equipment and the techniques that are used in fluorescein angiography.
- Write short notes on abnormal interpretations of Electrocardiography.
- Explain the patient preparation and procedure of OPG and OPPG.
- Explain the types of indirect ophthalmoscopy.
- Give an account on the types of biomedical signals.
Section –C
Answer any two of the following 2X20=40 marks.
- Explain in detail Positron emission tomography.
- Describe the principle, procedure and abnormal findings of ultrasonography.
- Describe the working mechanism, procedure and limitations of Magnetic resonance
imaging.
- Explain the principle and procedure of Electromyography and visual acuity test.