Final Exam Ch 1-4

2. Used to aid in decreasing radiation exposure to patients (2 words).
5. Longer PID exposes less skin surface area and less _______ radiation.
9. Ionization of water molecules can change the water in the tissue to _____ (2 words).
10. A property that x-rays do NOT have
12. Paralleling technique is preferred but is difficult to use on a patient with a _______ mouth.
13. The overall blackness of the film.
14. An increase in mA results in a decrease in density and a lighter image (True or False).
15. The step wedge test is a daily tool used for testing the quality of the __________ (2 words).
19. The production of ions where an atom loses an electron and becomes electrically imbalanced.
21. The 16-inch PID produces a safer exposure and _______ magnification and reduces the radiation to the patient.

1. The radiograph you have just taken is too light to be diagnostic. To produce a darker image, the exposure time should be ______.
3. Increased mA produces an increased number of _________.
4. X-rays cane produce ions by removing or adding an electron to an atom (True or False).
6. mA does NOT affect _______.
7. The hotter the tungsten _____. the greater number of x-rays produced.
8. Density can be affected by both mA and kVp.
9. Low kVp produces a _____ contrast of black and white.
11. Tooth magnification on a radiograph is caused by placing the receptor far from the tooth using what kind of receptors?
16. Minimal ___________ distance decreases magnification (2 words).
17. When an electron is lost from an atom, the atom becomes a _____ ion.
18. This shape of collimation reduces skin surface area exposure and radiation by 60%.
20. When an electron is lost from an atom, the ejected electron becomes a _____ ion.