[LO 0219] FEBRUARY 2019 Sub. Code: 1836
B.Sc. RADIOLOGY IMAGING TECHNOLOGY
(New Syllabus 2014-2015)
THIRD YEAR
PAPER I EQUIPMENTS OF MODERN IMAGING MODALITIES
Q.P. Code: 801836
Time: Three Hours Maximum: 100 Marks
Answer all questions
I. Elaborate on: x 10 30)
1. Describe an Ultrasound transducer with suitable diagram.
Enumerate the various types of Ultrasound transducers.
2. Describe in detail the function of a digital subtraction angiography machine.
3. Discuss in detail the principle and working of a gamma camera.
II. Write notes on: x 5 40)
1. Enumerate the various interactions of Ultrasound waves with matter.
2. Artifacts encountered during MR imaging.
3. What is radio frequency pulse? Add a note on chemical shift imaging.
4. CR image reader.
5. Explain in detail about indirect flat panel detectors.
6. Explain CT windowing
7. Explain Xenon gas detectors in CT.
8. Discuss about two radio isotopes used as a therapeutic agent in nuclear medicine.
III. Short answers on: (10 x 3 30)
1. What is FID in MRI?
2. Define pixel in CT.
3. Various filters used in X-ray imaging.
4. Compare conventional mammography with digital mammography.
5. Role of Ultrasound in obstetrics.
6. MR angiography techniques.
7. Define Pitch in CT.
8. CR image plate phosphor.
9. Tesla.
10. Quadrature body coil.