Term
| What does the acronym NCRP stand for? |
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Definition
| National Council on Radiation Protection |
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Term
| The NCRP is what type of group and is made up of what type of people? |
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Definition
| NCRP is a government advisory group made up of scientists. |
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Term
| The NCRP does not enforce its regulations. Rather it makes recommendations to these two groups, who do the enforcing. |
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Definition
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Term
| What is the NCRP yearly limit for occupational workers in REM and Sieverts |
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Definition
| 5 REM or 50 milliSieverts (mSv) per year |
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Term
| The NCRP says no worker may have more than one accidental exposure exceeding *** REM or *** mSv per lifetime |
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Definition
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Term
| What does the NCRP say is the ideal maximum amount of radiation exposure for a pregnant woman during the 1st trimester? |
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Definition
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Term
| For a pregnant occupational worker, the NCRP recommends these two maximum exposure levels: |
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Definition
0.05 REM per month
0.5 REM per entire gestation period |
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Term
| What should be worn by a pregnant occupational worker? |
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Definition
| A fetal dosimeter at waist level. |
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Term
| The NCRP also wrote the "10-Day Rule" - also known as elective booking - what is this? |
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Definition
| Females of childbearing age should only receive abdominal or pelvic radiation during the first 10 days of the menstrual cycle, when they are least likely to be pregnant. |
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Term
| Under the NCRP, the Danish Rule - or 10-25 rule - says what about doses of <10 RAD, 10-25 RAD, and >25 RAD? |
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Definition
| If <10 RAD, no need to consider termination of pregnancy; if 10-25 RADs, termination could be considered (depending on time in gestation); if >25, a therapeutic abortion should be considered, as there is virtually no chance of a normal baby. |
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Term
| In a typical AP abdomen or AP pelvis on a pregnant patient, what relative dose does the embryo/fetus receive? |
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Definition
| 1/3rd to 1/4th of the Entrance Skin Dose (ESD) |
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Term
| In a lateral abdominal or pelvic exam on a pregnant patient, what relative dose does the embryo/fetus receive? |
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Definition
| 1/20th of the Entrance Skin Dose (ESD) |
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