What solution should be used to disinfect the surfaces of the room of a patient who was infected with C. difficile?
a. 70% ethyl alcohol
b. 5.25% sodium hypochlorite
c. 1% sodium benzoate
d. 5% iodine solution
ANS: B
Because C. difficile may form spores that are resistant to commonly used surface disinfectants, the CDC recommends the use of 1:10 dilution of 5.25% sodium hypochlorite (household bleach) and water for routine environmental disinfection in the rooms of patients with C. difficile.
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