LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION – MEDICAL LAB. TECHNOLOGY
FOURTH SEMESTER – APRIL 2011
ML 4809 – NON-INVASIVE TECHNIQUES
Date : 5/4/2011 Dept. No. Max. : 100 Marks
Time : 9:00 – 12:00
SECTION –A
Answer ALL the following. 10×2=20 marks
- Define montage.
- What is dobutamine stress test?
- Schematically represent the production of gamma rays in positron emission tomography.
- What are the causes of retinopathy?
- List the causes of hyper and hypo fluorescence.
- Mention the factors responsible for image quality in magnetic resonance imaging.
- Expand CRVO and BRVO.
- Mention the basic densities on an x-ray film.
- What are the limitations of virtual colonoscopy?
- Write the purpose of computed tomography.
SECTION B
Answer any FOUR of the following. 4×10=40 marks
- Give an account on occuloplethysmography and occulopneumoplethysmography.
- Explain the principle and procedure of single photon emission computed tomography.
- Describe Transcranial doppler studies.
- Explain the procedure and interpretations of dual energy x-ray absorptiometry.
- Elaborate the principle and procedure of electromyography.
- Explain the procedure, advantages and limitations of virtual colonoscopy.
SECTION-C
Answer any TWO of the following. 2×20=40 marks
- Explain the block diagram and working mechanism of x-rays.
- Discuss the principle, components and clinical findings of magnetic resonance imaging.
- Describe the principle, procedure and clinical interpretations of positron emission tomography.
- Explain the principle, procedure, advantages and disadvantages of opthalmoscopy.