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M.D. DEGREE EXAMINATION — APRIL, 2014
RADIO DIAGNOSIS
Paper-I — Basic Sciences
Time : 3 Hours Max. Marks : 100
Note : Answer all questions
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All questions carry equal marks
WRITE SHORT ESSAYS ON THE FOLLOWING:
- Discuss the principle of acoustics applicable to ultrasound imaging. Describe in brief the construction of transducers used in real time ultrasound. Discuss in brief the various ultrasonography controls.
- Discuss the CT anatomy of the temporal bone.
- Write short notes on:
- ALARA
- Compton effect
- Superior orbital fissure
- MR myelography
- HALF value layer
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- Enumerate factors affecting radiographic image quality. How will you improve radiographic image quality?
- What are the properties of X-rays?. Discuss the biological effects of radiation.
- Classify intravenous contrast media. What are the advantages of newer generation of contrast media? Discuss their adverse reactions.
- Discuss the cross sectional anatomy of neck spaces.
- Write short notes on:
- Focal spot of X-ray tube
- CO2 Angiography
- Anode Heel effect
- High KV technique in chest X-ray
- Time Gain Compensation (TGC) and dynamic range in ultrasound
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- Discuss the imaging anatomy of the knee joint.
- What is maximum permissible dose? Describe the methods of radiation protection to the patient and staff in diagnostic radiology.
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