A respiratory therapist is attempting to sterilize a non-disposable mouthpiece used on a patient with confirmed active tuberculosis. Which of the following methods should the therapist use?
A. Incinerate the mouthpieces
B. Soak in alkaline gluteraldehyde for 20 minutes
C. Rinse with acid gluteraldehyde
D. Wash in warm water, follow with an acetic acid rinse, then air dry
Answer: B. The tubercle bacilli is sensitive to alkaline glutaraldehyde (Cidex). The equipment used by patients who have active tuberculosis should be soaked in Cidex for a minimum of 20 min.
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