Week 4

2. negative electrode of the x-ray tube
4. beneath the tongue
5. describes a material that easily transmits x-ray energy with very little absorption
12. catheter inserted directly into the vein for drug administration
13. function of a display monitor; changes image lightness/darkness
16. positive electrode of the X-ray tube
17. manipulation of medical images after they have been acquired through x-ray exposure in order to improve image quality and diagnostic yield
19. examination by means of the fluoroscope, employing image intensification
20. mnemonic meaning to keep all radiation exposure as low as reasonably acheivable
22. forms of energy emitted and transferred through matter
23. compound formed by bonding of two identical simpler molecules
24. form of electromagnetic radiation traveling at the speed of light, possessing the ability to penetrate matter
26. within or between the layers of skin
28. small sealed glass container that holds a single dose of parenteral solution in a sterile condition

1. degree of darkening blackness of exposed and processed photographic or radiographic film
3. drugs that relieve pain without causing a loss of consciousness
6. stable groups of bonded atoms having specific chemical properties
7. process by which a beam of radiation is reduced in energy when passing through tissue or other materials
8. misrepresentation of the true size or shape of an object
9. resembling an immune system response to foreign material
10. difference between adjacent image receptor exposures on a radiographic image
11. inadequate blood flow within the body with resulting loss of oxygen and therefore energy
14. entering through the skin
15. drugs that promote the excretion of urine
18. process of clot formation
21. interactions between electrons of atoms that hold the atoms together in a stable group
25. subnormal concentration of erythrocytes or hemoglobin in the blood
27. presence of abnormally large amounts of fluid in the tissues of the body