CIS Storage and Distribution of Sterile Instruments

Question 1

What is the primary purpose of event-related sterility in instrument storage?

Accepted Answer

Sterility is maintained until the package is opened or compromised

Answer

Sterility expires after a fixed number of days regardless of packaging

Answer

Sterility depends only on the temperature of the storage area

Answer

Sterility is guaranteed by the type of sterilizer used

Question 2

Which environmental condition is MOST critical to maintain in a sterile storage area?

Accepted Answer

Controlled temperature and humidity with positive-pressure ventilation

Answer

Maximum lighting to allow easy visual inspection

Answer

High humidity to prevent static buildup on packaging

Answer

Negative air pressure to prevent outside contaminants from entering

Question 3

A sterile package is found with a torn corner on the outer wrap. What is the correct action?

Accepted Answer

Remove it from circulation and reprocess the item

Answer

Re-wrap the outer layer and return it to the shelf

Answer

Inspect the inner wrap; if intact, the item is still sterile

Answer

Use it immediately since only the outer wrap is affected

Question 4

How should sterile instrument sets be positioned on storage shelves?

Accepted Answer

Stored in a single layer with sets not stacked on top of each other

Answer

Stacked as high as needed to maximize shelf space

Answer

Placed on the floor if shelves are full

Answer

Hung vertically from hooks to save horizontal space

Question 5

What is the recommended minimum distance sterile packages should be stored from the floor?

Accepted Answer

8–10 inches

Answer

2–3 inches

Answer

18–24 inches

Answer

At least 36 inches

Question 6

Which FIFO principle applies to the rotation of sterile instrument inventory?

Accepted Answer

First In, First Out — oldest stock is used before newer stock

Answer

First In, First Out — newest stock is used first to minimize handling

Answer

Last In, First Out — newest stock is placed in front for quick access

Answer

Last In, First Out — reduces the need to move older packages