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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Presentation transcript:

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

Q2. How many pixels are required to resolve one line pair ? A. 1 B. 2 C. 3 D. 4

Q3.First Direct Digital Imaging System(RVG) was introduced in the year : A B C D. 1982

Q4. Size of a Pixel in CCD is approximately: A. 10 microns B. 20 microns C. 30 microns D. 40 microns

Q5. Radiation effective dose of CBCT is: A. 13 µSv B. 1-8 µSv C µSv D µSv

Q6. Most commonly used imaging for assessment of implant: A. Intra oral periapical radiograph B. Lateral Cephalogram C. Panoramic radiograph D. Dentascan