Sagot :
1.Supervised Radiation Area – This is a general laboratory areas where only small activities of radioisotopes are handled. The areas are demarcated by a yellow sign with the words ''Supervised Radiation Area'' and small radiation hazard warning sign.
2. Exposure to extremely high-dose radiation in the first two weeks after conception might result in a miscarriage. However, these dose levels aren't used in diagnostic imaging. Exposure to high-dose radiation two to eight weeks after conception might increase the risk of fetal growth restriction or birth defects.