Rr321105-medical-imaging-techniques

Set No. 1

Code No: RR321105

III B.Tech II Semester Supplimentary Examinations, Aug/Sep 2008 MEDICAL IMAGING TECHNIQUES (Bio-Medical Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. (a) Describe the fundamentals of X-rays? (b) Explain X-ray detectors?

[16]

2. Mention the determinants of Biological effects? Describe the short term and long term effects of X-ray radiation? [16] 3. What are the significant parameters in Computed Tomography Imaging? Explain briefly each Parameter. [16] 4. Explain the fundamentals of Acoustic propagation? 5. What are the biological effects of Ultrasound waves? 6. Describe briefly the generation and detection of Nuclear Emission.

[16] [16] [16]

7. Explain briefly the basics of Nuclear magnetic resonance. Give the fourier spectrum of the NMR signal. [16] 8. What are the biological effects of Magnetic Fields in Magnetic Resonance Imaging? [16] ⋆⋆⋆⋆⋆

1 of 1

Set No. 2

Code No: RR321105

III B.Tech II Semester Supplimentary Examinations, Aug/Sep 2008 MEDICAL IMAGING TECHNIQUES (Bio-Medical Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. Write a short note on (a) Augar effect (b) Loherent scattering (c) Fluorescent screens.

[16]

2. What are the biological effects of ionizing radiation like X-rays? What is mammography? [16] 3. What are the significant parameters in Computed Tomography Imaging? Explain briefly each Parameter. [16] 4. What are Ultrasound waves? How they are produced? Mention the uses? 5. What are the biological effects of Ultrasound waves? 6. What are the diagnostic methods using radiation detector. Explain.

[16] [16] [16]

7. Explain about magnetic field gradients, the NMR coil/probe, the transmitter and the receiver in detail with necessary figures. [16] 8. What are the biological effects of Magnetic Fields in Magnetic Resonance Imaging? [16] ⋆⋆⋆⋆⋆

1 of 1

Set No. 3

Code No: RR321105

III B.Tech II Semester Supplimentary Examinations, Aug/Sep 2008 MEDICAL IMAGING TECHNIQUES (Bio-Medical Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. Explain Electro magnetic radiation and different types of interactions between Xrays and matter? [16] 2. Write short notes on: (a) Flueroscopy (b) Conventional X-ray Radiography.

[16]

3. What is Conventional Tomography? How it differs from Computed Tomography? Explain. [16] 4. What are Ultrasound waves? How they are produced? Mention the uses?

[16]

5. Discuss briefly Radiation hazards.

[16]

6. Name the clinical applications and uses of: (a) P.E.T (b) S.P.E.C.T (c) Longitudinal Section Tomography.

[16]

7. Explain briefly the principles involved in Nuclear Magnetic Resonance Imaging. [16] 8. What are the biological effects of Magnetic Fields in Magnetic Resonance Imaging? [16] ⋆⋆⋆⋆⋆

1 of 1

Set No. 4

Code No: RR321105

III B.Tech II Semester Supplimentary Examinations, Aug/Sep 2008 MEDICAL IMAGING TECHNIQUES (Bio-Medical Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. Explain Electro magnetic radiation and different types of interactions between Xrays and matter? [16] 2. Mention the determinants of Biological effects? Describe the short term and long term effects of X-ray radiation? [16] 3. What is Conventional Tomography? How it differs from Computed Tomography? Explain. [16] 4. What are Ultrasound waves? How they are produced? Mention the uses?

[16]

5. Specify different Doppler methods and explain them briefly.

[16]

6. List out some applications of Radioactivity in Medicine, Industry, Physics and Chemistry. [16] 7. Explain briefly the principles involved in Nuclear Magnetic Resonance Imaging. [16] 8. What are the biological effects of Magnetic Fields in Magnetic Resonance Imaging? [16] ⋆⋆⋆⋆⋆

1 of 1