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What is achieved by a thermal disinfection?

The temperature is always equal high

That the disinfection takes place at the same temperature

To reduce the numbers of pathogenic microorganisms to such an extent that the risk of infection is minimized

What does it mean that the instrument is disinfected?

The instrument has undergone a process and is now free of visible dirt and can be handled to the extent necessary in the further reprocessing processes.

The instrument has undergone a process and is free of microorganisms to such an extent that the instrument can be safely be used at patients and handled by staff.

The instrument has undergone a process and is totally free of pathogenic bacteria.

Why is it always necessary to use ultrasonic cleaning of all instruments with tubular cavities?

If thermal disinfection to be achieved it is important to ultrasonic cleaning.

Otherwise, the manufacturer does not warrant the instrument's durability.

To ensure that the device will effectively be clean both in- and outside and at positions, where it is impossible to do an visuel inspection.

Why is ultrasonic cleaning most effective on hard materials such as steel?

Materials such as rubber, silicone and plastic absorbs the ultrasound waves and ultrasound power is reduced.

Because the steel surface active involvement in the process.

Soft materials may not ultrasonic clean, it destroys the machine.

For what purpose shall be one or more pre rinse with cold water in the washer disinfector?

To disinfect the instruments.

To remove grease and fibrin substances from the instrument's surface.

To dissolve and eliminate water-soluble substances from the instrumentsurface.

When is pretreatment instruments necessary?

Pretreatment provided as the name says before an actual treatment.

Pretreatment is not important where the inspection was good.

Pretreatment made where mechanical cleaning alone is not sufficient to achieve a satisfactory cleaning result.

Why is it important that instruments that have been used for surgery, are reprocessed as quick as possible?

Washing capacity is often limited, so it is important to utilize the existing capacity as possible.

The others get angry if we do not take our of the work.

Blood contains various salts, which can destroy the instrumentsurface. The recommended to shorten the interval between instrument use and reprocessing to maximum 6 hours.

Why add rinse aid to the final rinse in the washer disinfector?

Rinse aid reduces surface tension and the result is at better drying of the instrument.

Rinse aid increases surface tension, so the washing process is shortened.

Rinse aid allows all instrument types tolerate the used detergent.

Why should staff in the cleaning area wearing waterproof plastic apron and protective equipment if risk of splash?

The equipment, together with microbiological knowledge, will ensure that staff can work safely in unclean environments.

Otherwise they become wet and thus is a risk of chilling.

It is primarily to keep the cost of uniforms wash down.

What is the reason why you should wear safety goggles when risk of splashes?

It is disgusting to know that I can get other people's blood on my face.

The eyes may be direct gateway to infection.

Aerosols can hang around long in the air.

There is a lack storage space in the uncleaning area and you have been asked to make suggestions about what needs to be acquired. What would you prioritize?

Equipment must be easy to clean with smooth resilient surfaces.

Equipment must be compatible with the other furniture.

Equipment must be cheap and inclusive as possible.

In which of the following situations, is hand disinfection preceded by hand washing?

When I meet in the morning.

Before I go home.

The risk of transmission of infection with the novo virus or Clostridium difficile.

The English test version shows what types of questions asked and how the "Learn more" part works.

Test questions covering the unclean area

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The English test version shows what types of questions asked and how the "Learn more" part works.

Test questions covering the unclean area