Chapter 8

Question 1

Instruments with lumens should always be soaked in a vertical position, not in a horizontal position.

Answer 1

False

Question 2

The mechanical process by which an ultrasonic cleaner works is called cavitation.

Answer 2

True

Question 3

To prevent aerosolization, items should be brushed below the surface of the water.

Answer 3

True

Question 4

Automatic washers clean using a spray-force action called impingement.

Answer 4

True

Question 5

Instruments received from surgery and tagged for repair do not need to be cleaned until they come back from repair.

Answer 5

False

Question 6

Powered surgical instruments should be cleaned using a mechanical cleaning process.

Answer 6

False

Question 7

There are currently no methods available to verify cleaning process outcomes.

Answer 7

False

Question 8

All sonic cleaners have a decontamination cycle.

Answer 8

False

Question 9

Horizontal work surfaces in the decontamination area should be cleaned and disinfected once per day.

Answer 9

False

Question 10

There is no need to pre-clean items that will be processed in an ultrasonic cleaner

Answer 10

False

Question 11

What is the preferred pH for detergents used for most cleaning processes?

Answer 11

Neutral pH

Question 12

Which of the following statements about the use of washer-disinfectors is not true?

Answer 12

All items should be washed on the same cycle

Question 13

Water must be degassed each time an ultrasonic cleaner’s tank is changed because excess bubbles:

Answer 13

Reduce the energy of the cavitation process

Question 14

Written cleaning instructions for surgical instruments should be provided by the:

Answer 14

Device manufacturers

Question 15

Floors and walls in the decontamination area should be:

Answer 15

Constructed to tolerate cleaning chemicals

Question 16

Untreated water:

Answer 16

Increases the likelihood of mineral scale deposits

Question 17

These are used to breakdown fatty deposits on instruments:

Answer 17

Lipase enzymes

Question 18

Instrument lubrication is performed:

Answer 18

After cleaning

Question 19

To prevent coagulation of proteins, instruments should be pre-rinsed using:

Answer 19

Cool water

Question 20

Detergents used in mechanical cleaners should be:

Answer 20

Low foaming

Question 21

During manual cleaning, instruments should be brushed
using a:

Answer 21

To and fro motion

Question 22

Powered surgical instruments:

Answer 22

Cannot be immersed

Question 23

The decontamination area should have:

Answer 23

Negative airflow in relation to the other areas of the department

Question 24

Ultrasonic irrigators are used to:

Answer 24

Clean devices with lumens

Question 25

Rigid container filter retention plates should be:

Answer 25

Removed from the container and lid and cleaned separately