The community health nurse knows that radon can enter homes:
a. through air-conditioning ducts c. by being tracked in on shoes
b. through floors, cracks, and walls d. by animals carrying it
B
Feedback
A Incorrect. Radon does not enter the home through the air-conditioning ducts.
B Correct. Radioactive uranium can exist in small quantities in the gravel used to make concrete. Where concrete is present in the floors and walls, cracks in the concrete provide a path for radon to enter the living spaces.
C Incorrect. Radon is not tracked in on shoes.
D Incorrect. Radon is not introduced into living spaces being carried by animals.
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