Egan's Respiratory Care Practice Test 2026

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Which item is the commonly used device in aerosol therapy that can spread infection if not properly cleaned?

Large Volume Nebulizers

Proper cleaning and disinfection of reusable devices used in aerosol therapy is essential to prevent cross-contamination. The large-volume nebulizer is the common device used to deliver aerosolized medications, and it has internal surfaces and tubing that can harbor condensate, residual solution, and microbes. If it isn’t thoroughly cleaned and disinfected between patients (or replaced with disposable equipment when available), these pathogens can be aerosolized and spread to others, increasing the risk of infection.

The other options describe cleaning products or sterilization methods, not a device used in aerosol therapy, so they don’t fit as the item that could spread infection if not cleaned.

Disinfectant activity

Surface disinfectants

ETO