Cleaning

Question 1

Why is pest control important to environmental cleaning?

Answer 1

Pests are capable of spreading disease

- vectorborne diseases

Question 2

What is the goal of cleaning/disinfecting?

Answer 2

Preventing spread of potentially pathogenic microorganisms that may lead to SSI’s

Question 3

Chain of infection: 6 steps

Answer 3

Infectious agent - bacteria 
Reservoir - dirty surface 
Portal of exit - sneeze/cough 
Mode of transmission - contact 
Portal of entry - muscous membrane
Susceptible host - elderly

Question 4

What is the most effective way to break chain of infection?

Answer 4

Hand hygiene

Question 5

What is covered in manufacturers instructions for use?

Answer 5

Microorganisms killed
Contact times 
Ingredients 
Cleaning instructions 
Removing gross materials
Clean with clean water and allow drying time

Question 6

Do’s and Don’ts of handling cleaning products?

Answer 6

Do:

• store and prepare according to manufacturers instructions
• apply disinfectant for required contact time
• clearly label containers

Dont

• use spray bottles
• do not use dry broom
• share cleaning equipment between semi and restricted areas

Question 7

Cleaning procedures?

Answer 7

Standardized, methodical process

• zones
• perimeter
• divide in half
• adjunct technologies

Question 8

Principles to cleaning?

Answer 8

Clean top to bottom

Less soiled to dirty areas

Question 9

What does contact time mean?

Answer 9

Time the product must stay wet on a surface

Question 10

Turn over vs terminal cleaning?

Answer 10

Turnover - between cases

Terminal - occurs at end of the day, more thorough

Question 11

True or false floor is always contaminated?

Answer 11

True

Question 12

Cleaning times of OR?

Answer 12

Before first case - damp dusting
Turn over 
Terminal 
Scheduled cleaning 
Enhanced cleaning

Question 13

4 areas of sterile processing?

Answer 13

Decontamination
Assembly
Sterilization
Storage

Question 14

When is enhanced cleaning used?

Answer 14

Cleaning challenges from
Ex. MDRO, spores

Bleach used

Question 15

How long does it take for for 99.9% of ariborne particles to be removed after aerosolizing procedure?

Answer 15

20 air exchanges/hr in OR

Takes 21min to remove 99.9%

Question 16

What can lead to environmental contamination?

Answer 16

Construction
Flooding condensation
Mold growth
Pest infestation

Question 17

Tasks of surgical personnel?

Answer 17

Preliminary room prep
Damp dusting
Post procedure cleaning
Terminal cleaning

Question 18

Tasks of environmental services personnel?

Answer 18

Post procedure cleaning
Terminal cleaning 
Preop areas
Postop areas 
Sterile processing areas 
Scheduled cleaning of items that are not terminally cleaned

Question 19

3 common microorganisms hospital disinfectants must be tested for?

Answer 19

Pseudomonas
Staphylococcus
Salmonella

Question 20

Examples of pathogens common to OR?

Answer 20

Bacteria

• MRSA
• Cdiff
• staph

Viruses
- Hep, HIV, covid

Fungi
- aspergillus