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Thursday, February 4, 2016

Dr. MGR University 2013 - 2015 Question Papers PAPER III EQUIPMENTS OF MODERN IMAGING MODALITIES

Dr. MGR University AUGUST 2013 Question Paper
Subject : PAPER III – EQUIPMENTS OF MODERN IMAGING MODALITIES

[LD 0212] Sub. Code: 1821
B.Sc. RADIOLOGY IMAGING TECHNOLOGY /
B.Sc. RADIO DIAGNOSIS TECHNOLOGY
THIRD YEAR
PAPER III – EQUIPMENTS OF MODERN IMAGING MODALITIES
Q.P. Code: 801821
Time : Three Hours Maximum : 100 marks
Answer ALL questions
I. Elaborate on: (3 x 10 = 30)
 1. Discuss in detail the various generations of the CT scanners. Add a note on the
 advantages of the multidetector CT over conventional CT.
 2. Describe in detail the various parts of a mammography equipment.
 3. Describe an Ultrasound transducer with adequate diagrams.
 Enumerate the various types of Ultrasonography transducers.
II. Write notes on: (8 x 5 = 40)
 1. What is Larmor frequency?
 2. Describe the technique of CT angiography.
 3. Discuss the principle of Computed Radiography system.
 4. Describe the techniques of MR mammography.
 5. Enumerate the various interactions of Ultrasound waves with matter.
 6. List the newer MR contrast agents.
 7. Principle of CT enteroclysis & comparison of the same with conventional enteroclysis.
 8. Artefacts encountered during MR imaging.
III. Short Answers on: (10 x 3 = 30)
 1. Reverberation artefact in ultrasonography.
 2. Phosphors used in modern screens.
 3. Basic principles of Positron Emission Tomography (PET).
 4. Patient preparation & techniques of Magnetic Resonance Cholangio Pancreatography.
 5. Techniques of CT cisternography.
 6. Patient positioning and sequences in MR shoulder imaging.
 7. High frequency X-Ray machines.
 8. Basic principles of Doppler imaging.
 9. What is wrap around artefact in MR? how can you avoid the same?
10. Note on virtual bronchoscopy.
*******

Dr. MGR University FEBRUARY 2014 Question Paper
Subject : PAPER III – EQUIPMENTS OF MODERN IMAGING MODALITIES

[LE 0212] Sub. Code: 1821
B.Sc. RADIOLOGY IMAGING TECHNOLOGY /
B.Sc. RADIO DIAGNOSIS TECHNOLOGY
THIRD YEAR
PAPER III – EQUIPMENTS OF MODERN IMAGING MODALITIES
Q.P. Code: 801821
Time : Three Hours Maximum : 100 marks
Answer ALL questions
I. Elaborate on: (3 x 10 = 30)
 1. Discuss in detail the Digital Radiography. Also explain the advantages of digital
 radiography over conventional radiography.
 2. Explain the basic principle of ultrasonography. Add a note on the range of
 frequencies used in imaging of various parts of body.
 3. Classify the CT contrast agents. Add a note on the dose, various routes of
 administration and management of contrast reactions.
II. Write notes on: (8 x 5 = 40)
 1. Role of multi detector CT in dental imaging.
 2. MRI of the orbits – techniques and sequences.
 3. Describe image intensifier tube with diagram.
 4. Photomultiplier tube.
 5. Image processing in Computed Radiography system.
 6. What is radiofrequency pulse? Add a note on chemical shift imaging.
 7. Describe modern X ray tube design.
 8. Techniques of CT pulmonary angiography.
III. Short Answers on: (10 x 3 = 30)
 1. Compare conventional mammography with digital mammography.
 2. Recent advanced in ultrasonography.
 3. Volume rendering technique in computed tomography.
 4. Various filters used in X- ray imaging.
 5. Role of ultrasound in obstetrics.
 6. Depth resolution in ultrasonography.
 7. Proton Density Weighted imaging and its applications.
 8. MR angiography techniques.
 9. Picture Archiving and communication system.
10. Note on intensifying screens.
*******

Dr. MGR University AUGUST 2014 Question Paper
Subject : PAPER III – EQUIPMENTS OF MODERN IMAGING MODALITIES

[LF 0212] Sub. Code: 1821
B.Sc. RADIOLOGY IMAGING TECHNOLOGY /
B.Sc. RADIO DIAGNOSIS TECHNOLOGY
THIRD YEAR
PAPER III – EQUIPMENTS OF MODERN IMAGING MODALITIES
Q.P. Code: 801821
Time : Three Hours Maximum : 100 marks
Answer ALL questions
I. Elaborate on: (3 x 10 = 30)
 1. Image formation in MRI.
 2. Describe with neat diagram the basic principle of Mammographic equipment.
 3. Explain about image reconstruction in CT. Give an account on multislice CT.
II. Write notes on: (8 x 5 = 40)
 1. Indirect DR system.
 2. CR image reader.
 3. Contrast media used in MRI.
 4. Ultrasound transducer.
 5. Spin echo sequence.
 6. Contrast media used in CT.
 7. CT thorax: exposure factors and technique.
 8. T2w imaging.
III. Short Answers on: (10 x 3 = 30)
 1. B mode in ultrasound.
 2. Quadrature body coil.
 3. TR and TE.
 4. Phased array transducer.
 5. Tomography.
 6. Pitch.
 7. CR image phosphor.
 8. CT cholangiography.
 9. Volume rendering.
10. Surface shaded display.
*******

Dr. MGR University FEBRUARY 2015 Question Paper
Subject : PAPER III – EQUIPMENTS OF MODERN IMAGING MODALITIES

[LG 0215] Sub. Code: 1821
B.Sc. RADIOLOGY IMAGING TECHNOLOGY /
B.Sc. RADIO DIAGNOSIS TECHNOLOGY
THIRD YEAR
PAPER III – EQUIPMENTS OF MODERN IMAGING MODALITIES
Q.P. Code: 801821
Time : Three Hours Maximum : 100 marks
Answer ALL questions
I. Elaborate on: (3 x 10 = 30)
 1. Explain the working, and reconstruction of computed tomography images.
 2. Discuss about radiofrequency coils. Explain about various signal encoding
 for image formation in MRI.
 3. Describe an Ultrasound transducer with adequate diagrams. Enumerate the
 various types of Ultrasonography transducers.
II. Write notes on: (8 x 5 = 40)
 1. Spin echo sequence.
 2. Contrast agents used in CT.
 3. Interaction of ultrasound with matter.
 4. Explain about how image is formed in computed radiography.
 5. Explain in detail about indirect flat panel detectors.
 6. Discuss about any 3 artefacts in MRI.
 7. Mammography machine.
 8. Factors affecting image quality in MRI.
III. Short Answers on: (10 x 3 = 30)
 1. Ring artifacts.
 2. Flip angle.
 3. Gadolinium as contrast medium.
 4. Tomography.
 5. Piezo-electric effect.
 6. CT number.
 7. Gradient coil.
 8. Phosphor used in CR plates.
 9. Focused transducer.
10. Filtration in x-ray imaging.
*******

Dr. MGR University AUGUST 2015 Question Paper
Subject : PAPER III – EQUIPMENTS OF MODERN IMAGING MODALITIES

[LH 0815] Sub. Code: 1821
B.Sc. RADIOLOGY IMAGING TECHNOLOGY /
RADIO DIAGNOSIS TECHNOLOGY
THIRD YEAR
PAPER I – EQUIPMENTS OF MODERN IMAGING MODALITIES
Q.P. Code: 801821
Time : Three Hours Maximum : 100 marks
Answer ALL questions
I. Elaborate on: (3 x 10 = 30)
 1. Explain in detail the Signal encoding steps in MR imaging.
 2. Describe about the various flat panel detectors in x-ray imaging
 3. Discuss the basic principle and reconstruction algorithms in CT imaging.
II. Write notes on: (8 x 5 = 40)
 1. Spin echo sequence.
 2. CR artefacts.
 3. Superconductive magnet.
 4. Multi detector CT.
 5. Basic principle of Doppler imaging.
 6. Discuss about 3 artefacts in MRI.
 7. Contrast agents used in CT.
 8. Factors affecting image quality in computed radiography.
III. Short Answers on: (10 x 3 = 30)
 1. Piezo electric effect.
 2. TR and TE.
 3. T2w imaging.
 4. Tomography.
 5. Scintillation detector.
 6. B mode in ultrasound.
 7. AEC.
 8. CTDI.
 9. MIP and MPR.
10. Larmour frequency.
******* 

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