An ICU nurse is caring for a radiation victim who is being treated with Prussian blue. You know that Prussian blue works by doing what?
A) Prevents radioactive iodine from reaching the thyroid gland
B) Attaches to radioactive iodine and promotes its excretion
C) Traps cesium in the intestine to prevent its absorption
D) Prevents cesium from being trapped in the small bowel
C
Feedback:
Prussian blue is a dye used to treat internal contamination with ingested radioactive cesium. Prussian blue promotes the excretion of cesium by trapping it in the intestine and preventing its absorption. It is not given for radioactive iodine contamination and does not prevent cesium from being trapped in the small bowel.
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