MDRAO - Medical Device Reprocessing Association of Ontario Instrument Assembly and Packaging Questions and Answers

Question 1

A multi-level instrument tray is being prepared for steam sterilization. According to Canadian Standards Association (CSA) guidelines, where must an internal chemical indicator be placed?

Accepted Answer

In the geometric center of each level.

Answer

Only on the top level, in the geometric center.

Answer

In two opposite corners of the bottom tray only.

Answer

Attached to the exterior of the wrapped tray.

Question 2

When assembling an instrument set, what is the correct procedure for items with hinges, such as hemostats or scissors?

Accepted Answer

Placed on a stringer or rack in an open and unlocked position.

Answer

Closed and locked to prevent damage during transport.

Answer

Tightly packed together to maximize space within the tray.

Answer

Dipped in an oil-based lubricant to ensure smooth operation.

Question 3

A Medical Device Reprocessing Technician is packaging a single, heat-sensitive, flexible endoscope for low-temperature sterilization. Which of the following packaging materials would be MOST appropriate?

Accepted Answer

Tyvek (all-plastic) pouches.

Answer

Woven textile wraps.

Answer

Standard paper-plastic peel pouches.

Answer

Rigid, sealed metal container.

Question 4

During the assembly of a major orthopedic set, a technician notices the total weight of the instruments and container is 12 kg (approximately 26.5 lbs). What should be the technician's primary concern based on MDRAO and CSA standards?

Accepted Answer

The weight exceeds the recommended limit, potentially compromising sterilization efficacy and posing an ergonomic risk.

Answer

The set will require a longer drying time after sterilization.

Answer

The chemical indicators may not function correctly in such a dense set.

Answer

The set must be split into three separate trays to be compliant.

Question 5

Which of the following is an essential requirement for the 'clean assembly' or 'preparation and packaging' area of a Medical Device Reprocessing Department?

Accepted Answer

Positive air pressure relative to adjacent areas like decontamination and hallways.

Answer

Negative air pressure relative to the decontamination area.

Answer

Humidity levels maintained between 70% and 80%.

Answer

The use of oil-based lubricants on all instrument moving parts.

Question 6

A technician is preparing to package an instrument set using a sequential wrapping technique with two sheets of non-woven wrap. What is the purpose of using a Type 1 chemical indicator in this scenario?

Accepted Answer

To distinguish between processed and unprocessed packages.

Answer

To confirm the internal contents have achieved sterility.

Answer

To secure the final fold of the outer wrap.

Answer

To verify that the correct temperature was achieved for the required time.

A multi-level instrument tray is being prepared for steam sterilization.According to Canadian Standards Association (CSA) guidelines, where must an internal chemical indicator be placed?

A multi-level instrument tray is being prepared for steam sterilization.
According to Canadian Standards Association (CSA) guidelines, where must an internal chemical indicator be placed?