A nurse is attending a conference about terrorism and emergency response. During a discussion of radiation emergencies, the use of potassium iodide is reviewed
When should potassium iodide be administered to be most effective after exposure to radiation?
a. Immediately after exposure
b. Within 48 hours after exposure
c. Within 72 hours after exposure
d. The time frame is not important
ANS: A
To be the most effective, potassium iodide must be taken immediately after exposure. If taken 48 hours after exposure, the drug is useless.
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