A Technologist Is in the Room When a Patient Receives

A technologist is in the room when a patient receives a therapeutic administration of ¹³¹I sodium iodide for thyroid ablation.The technologist should

A) have a bioassay before and after participating in the administration.
B) have a bioassay between 6 and 72 hours after participating in the administration.
C) only have a bioassay if the airborne concentration of the ¹³¹I is less than 10% of the annual dose.
D) only have a bioassay if the room background levels exceed 2 mrem/hr.