Cross Infection Control

Question 1

Name the type of cleanliness - clean to a socially acceptable standard for personal hygiene purposes but not disinfected or sterilised

Answer 1

Social cleanliness

Question 2

What name is given to the killing/destruction of bacteria and fungi, but not spores nor some viruses.

Answer 2

Disinfection

Question 3

What name is given to the process of killing all micro-organisms and spores to produce asepsis (involves he use of autoclaves)

Answer 3

Sterilisation

Question 4

What name is given to the absence of all living pathogenic micro-organisms

Answer 4

Asepsis

Question 5

What name is given to the process used to remove contamination from reusable items so that they are safe for use on patients and for staff to handle

Answer 5

Decontamination

Question 6

What are the four stages of decontamination

Answer 6

Cleaning
Disinfection
Inspection
Sterilisation

Question 7

What do bleach based cleaners contain

Answer 7

Sodium hypochlorite

Question 8

What is sodium hypochlorite used for

Answer 8

To disinfect all non-metallic and non-textile surfaces and to soak laboratory items

Question 9

What is Chlorhexidene gluconate used for?

Answer 9

An irrigating disinfectant used during root canal treatments and as a skin cleanser

Question 10

What is zoning?

Answer 10

Designating areas as ‘clean’ and ‘dirty’

Question 11

What are protective barriers used for?

Answer 11

Used on equipment likely to be contaminated such as chair and light controls. These should be covered in plastic sheets and changed between patients.

Question 12

What is reverse osmosis?

Answer 12

Water purification that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water

Question 13

What temperature should the water be when manual cleaning instruments?

Answer 13

Cold water as hot water fixes contaminants such as blood into the item surface and makes it hard to remove