Sterile Storage and Distribution Flashcards

What is the maximum allowable relative humidity in a sterile storage area according to AAMI standards?

Answer: 50%

AAMI standards recommend relative humidity between 30–60% in sterile storage areas, with 50% as the common target maximum.

Which event-related sterility concept states that sterile items remain sterile until an event compromises the package?

Answer: Event-related sterility

Event-related sterility holds that a properly packaged sterile item remains sterile indefinitely until a specific event (moisture, tear, compression) compromises the package integrity.

Sterile supplies should be stored at least how many inches off the floor?

Answer: 12 inches

Sterile items must be stored at least 8–12 inches off the floor to prevent contamination from floor cleaning splash and moisture.

A CS technician notices a sterile package has a torn outer wrap. What is the correct action?

Answer: Remove from service and reprocess

Any compromise to the sterile barrier system requires the item to be removed from service and reprocessed from the beginning.

Which type of shelving is preferred in sterile storage areas to allow air circulation and visual inspection?

Answer: Open wire shelving

Open wire shelving promotes air circulation, reduces moisture accumulation, and allows staff to visually inspect packages from multiple angles.

What is the primary purpose of positive air pressure in a sterile storage room?

Answer: To prevent outside contaminants from entering

Positive air pressure ensures that air flows outward when doors open, preventing contaminated air from adjacent areas from entering the sterile storage room.

How should sterile packages be arranged on shelving to maintain FIFO (first in, first out) rotation?

Answer: Oldest items placed in front, newest in back

FIFO rotation requires oldest items to be placed at the front and new stock placed behind so older items are used first.