ch 38 radiography
Across
- 4. the ability to do work
- 6. process by which electrons are removed from atoms causing the harmful effects of radiation in humans
- 9. a device used to detect and measure an accumulated dosage of radiation
- 10. exposures should be kept as low as reasonable achievable
- 11. xrays at the center of the beam
- 12. image produced on photosensitive film by exposing the film to radiation and then processing it.
- 15. effects of radiation that cause illness and are responsible for poor health
- 19. the blurred or indistinct area that surrounds an image
- 20. proportional enlargement of an image
- 21. negative electrode in the xray tube
- 23. a minute bundle of pure energy that has no weight or mass
- 24. anything that occupies space and has form or shape
Down
- 1. forms of waves of energy emission through space or material
- 2. time between exposure to ionizing radiation and appearance of symptoms
- 3. the process of recording images of teeth and adjacent structures by exposure to x-radiation
- 5. change in the size of an image caused by incorrect vertical angulation
- 7. effects of radiation that are passed on to future generations through genetic cells
- 8. device used to protect the reproductive and blood-forming tissues from scatter radiation
- 13. differences in degrees of blackness on an image
- 14. the most penetrating beam produced at the target of the anode
- 16. a measure of how well an image reproduces the fine details or outline of an object
- 17. portion of the xray unit that contains the master switch, indicator light and buttons
- 18. positive electode in the xray tube
- 22. basic unit of matter