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Radiology LE 1
eaec.college of medicine. radiology lectures
| Question | Answer |
|---|---|
| invisible radiant energy similar in several respect to visible light but with shorter wavelength | x-ray |
| optical counterpart of an object produced by an electronic device | image |
| who discovered x-ray | sir wilhem roentgen |
| surface of the anode impacted by electrons | focal spot |
| positive side of x-ray tube | anode |
| negative side of x-ray tube | cathode |
| normal cardiothoracic ratio in chest PA of an adult | 0.5 or < 50% |
| contrast material used for GIT and colon imaging | barium sulfate |
| small bundle of energy traveling at the speed of light | photon |
| lucent part or shadow in the lung | air |