adv img for fin 2 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
| Question | Answer |
| What is the lead equivalency of the II in flouro? | 2.0 mm pb eq. |
| A “Stepping” unit does what? | allows the x-ray tube to follow a bolus of contrast in CVIT |
| In what part of the II is the electronic image formed? | photocathode |
| In tomo, where is the fulcrum located? | focal plane |
| A fluoroscopic TV operates at what rate? | 30 frames/sec |
| What element maintains constant image brightness? | ABS |
| Air kerma rate for flouro? | < 10 R/min |
| Normal range of flouro tube currents | .5 – 5 mA |
| Minimum SSD in stationary flouro: | 15” |
| When the II operates at a smaller FOV, what happens to pt. dose and minification gain? | pt dose is increased, minification gain is decreased. |
| The input phosphor of the II is composed of what? | cesium iodide |
| In flouro leakage radiation shall be: | < 100 mR/hr at 1m at max |
| Visual acuity is used for: | fine detail |
| Zonography uses what type of tomo angle? | 5 degrees |
| The e- beam in a TV camera tube is produced how? | thermionic emission |
| Moving the II closer to the pt. in flouro does what to pt. dose and image quality? | decreased pt dose, improved quality |
Created by:
annaluz87
Popular Radiology sets