Question

Difficulty: MediumHandling Hazardous and Infectious Materials

A client with thyroid cancer is admitted to a private hospital room and receives an oral therapeutic dose of unsealed radioactive iodine (I-131). The nurse is reviewing the safety and environmental protocols for the shift. Which action by the nurse demonstrates the correct management of hazardous materials associated with this therapy?

  1. A
    Placing the client's used disposable meal trays into the facility's standard red biohazard waste receptacle
  2. B
    Sending the client's soiled bed linens to the facility's central laundry department in a designated water-soluble bag
  3. Directing the client to use the private toilet and flush it at least twice with the lid closed after each voidingAnswer
  4. D
    Delegating the emptying of the client's bedside commode to the unlicensed assistive personnel (UAP)

Answer

The correct action is to direct the client to use the private toilet and flush it at least twice with the lid closed after each voiding.
The correct answer demonstrates the safest method for disposing of highly radioactive urine. Because unsealed radioactive iodine (I-131) is primarily excreted through the kidneys, the client's urine is heavily contaminated. Instructing the client to use a private toilet and flush multiple times with the lid closed safely dilutes the isotope into the plumbing system while preventing the aerosolization of radioactive particles into the room environment.

Step-by-Step Solution

1
Identify the type of hazardous material involved in the clinical scenario.
The client received unsealed radioactive iodine (I-131), meaning all bodily fluids (urine, saliva, sweat, feces) emit radiation and pose an environmental hazard.
Understanding the source and mechanism of contamination is required to select the correct handling protocols.
2
Evaluate the safest method for disposing of the client's radioactive excreta.
Because I-131 is primarily excreted by the kidneys, the urine is highly radioactive. The client should use a private toilet instead of a commode to minimize staff contact.
Flushing the toilet multiple times safely dilutes the radioactive isotope into the sewage system, and keeping the lid closed prevents the aerosolization of radioactive particles.
3
Analyze the distractors regarding waste segregation and task delegation.
Standard biological hazard processing (red bags, central laundry) does not neutralize radiation. Furthermore, UAPs cannot safely handle radioactive spills or excreta.
Radioactive items must remain in the client's room in specialized, lead-shielded or clearly marked containers until a radiation safety officer surveys and clears them.

Key Concept

Radiation Safety Protocols for Unsealed Isotopes
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