MEDICAL IMAGING TECHNIQUES Question Papers (2007, Supple)

SET :1

1. Write a short note on: (a) Augar effect (b) Loherent scattering (c) Fluorescent screens
2. Briefly discuss the principle behind x-ray Radiography.
3. What are the significant parameters in Computed Tomography Imaging? Explain briefly each Parameter.
4. What are the significant parameters in Diagnostic Ultrasound? Explain briefly each parameter.
5. What are the biological effects of Ultrasound waves?
6. Describe the properties of alpha, beta and gamma rays.
7. Explain briefly the principles involved in Nuclear Magnetic Resonance Imaging.
8. What are the biological effects of Magnetic Fields in Magnetic Resonance Imaging?

SET :2

1. Write short notes on: (a) X-ray tube Filters (b) Grids (c) X-ray detectors (d) Beam Restrictors
2. What are the biological effects of ionizing radiation like X-rays? What is mammography?
3. What is Conventional Tomography? How it differs from Computed Tomography?Explain.
4. What are Ultrasound waves? How they are produced? Mention the uses?
5. What are the biological effects of Ultrasound waves?
6. Describe briefly the generation and detection of Nuclear Emission.
7. What are the characteristics of Magnetic Resonance Images?
8. What are the biological effects of Magnetic Fields in Magnetic Resonance Imaging?

SET :3

1. (a) Describe the fundamentals of X-rays? (b) Explain X-ray detectors?
2. What is Xeroradiography and explain its mechanism in producing images for medical diagnosis.
3. Describe the uses of application of Computed Tomography.
4. What are Ultrasound waves? How they are produced? Mention the uses?
5. Specify different Doppler methods and explain them briefly.
6. Describe briefly the generation and detection of Nuclear Emission.
7. Explain the generation and detection of NMR signal? [16]
8. Write a short note on: (a) Imaging safety (b) NMR spectroscopy (c) sensitivity on resolution for NMR

SET :4

1. Mention the properties of x-rays.
2. What do you mean by ?Mammography ”and how the images are produced .Describe how it is useful in Medical diagnosis.
3. What do you understand by the term Spatial Resolution? How is it significant in imaging ? Explain.
4. What are Ultrasound waves? How they are produced? Mention the uses?
5. Discuss briefly Radiation hazards.
6. What is “Single Photon Emission Computed Tomography ”(SPECT)? Describe the imaging by SPECT.
7. Describe the procedure involved in production of Magnetic Resonance Images.
8. How is the blood flow imaging done in Magnetic Resonance Imaging?