q.1 radiation dose of ct scan of head and neck is equivalent to :
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Q.1 Radiation dose of CT scan of Head and Neck is equivalent to :. 50 chest x-rays 100 chest x-rays 150 chest x-rays 200 chest x-rays. Q2. How many pixels are required to resolve one line pair ?. 1 2 3 4. Q3.First Direct Digital Imaging System(RVG) was introduced in the year :. - PowerPoint PPT PresentationTRANSCRIPT
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Q.1 Radiation dose of CT scan of Head and Neck is equivalent to :
A. 50 chest x-rays
B. 100 chest x-rays
C. 150 chest x-rays
D. 200 chest x-rays
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Q2. How many pixels are required to resolve one line pair ?
A. 1
B. 2
C. 3
D. 4
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Q3.First Direct Digital Imaging System(RVG) was introduced in the year :
A. 1980
B. 1984
C. 1988
D. 1982
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Q4. Size of a Pixel in CCD is approximately:
A. 10 microns
B. 20 microns
C. 30 microns
D. 40 microns
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Q5. Radiation effective dose of CBCT is:
A. 13 µSv
B. 1-8 µSv
C. 36-50 µSv
D. 5-16 µSv
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Q6. Most commonly used imaging for assessment of implant:
A. Intra oral periapical radiograph
B. Lateral Cephalogram
C. Panoramic radiograph
D. Dentascan