| A | B |
|---|
| Collimation | the control of the size and shape of the primary beam |
| Collimator | a device that restricts the size of the primary beam; also known as a diaphragm |
| Film badge | is a device that measures occupational radiation exposure during the time the badge is worn; also called monitoring badges |
| Filter, aluminum | a flat circle of aluminum, approximately 2.5mm thick, found at the opening of the tubehead |
| Filtration | the removal of the low energy x-rays from the primary beam |
| Lead apron | protects the reproductive organs of the patient from exposure to radiation |
| Maximum accumulated dose (MAD) | the amount of radiation which may be accumulated protects the radiosensitive neck area of the patient throughout ones lifetime |
| Maximum permissible dose (MPD) | the amount of radiation that occupationally exposed persons may receive at any given time in their life |
| Monitoring badge | is a device that measures occupational radiation exposure during the time the badge is worn; also called film badges |
| Monitoring device | measure how much radiation is found in an area |
| Thyroid collar | protects the reproductive organs of the patient from exposure to radiation |
