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Protection For MA
Radiology / Medical Assistant
Question | Answer |
---|---|
Basic radiation protection measures for operators are --- | keep exposure time short ----& keep your distance long---- & use shielding |
To minimize your occupational exposure, how should you keep the distance between you and the x-ray table ? | --keep you distance "long" |
What is Inverse Square Law ? | the intensity of radiation is inversely proportional to the sqaure of the TFD ( target to film distance ) |
If the length of exposure time is increased from 5 to 10 seconds, the amount of exposure will do what ? | double |
When the exposure rate exceeds 5 mR /hr, which of the following should you wear ? | lead apron |
the recommended thickness of lead protective gloves | 0.25 mm |
To reduce the exposure to the waiting room directly behind the upright chest unit what is required ? | a primary barrier |
The recommended thickness of lead in primary protective barrier ? | 1/16 inch |
To minimize your occupational exposure, you should do all of the following --- | stand behind lead barrier while xraying, & wear lead apron and lead gloves, & stand outside of the primary beam |