Lecture Two: INFECTION CONTROL

Question 1

Define infection control? [2]

Answer 1

PPP
Slide 3

Question 2

Infection control involves two things, Name them? [2]

Answer 2

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Question 3

Define Sterilization? [1]

Answer 3

Process of killing and destroying all forms of microorganisms including the spores
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Question 4

Define Disinfection? [1]

Answer 4

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Question 5

Define Cleaning? [1]

Answer 5

Slide 4

Question 6

Define Disinfectant and Antiseptic? [2]

Answer 6

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Question 7

Define Infection and Sepsis? [2]

Answer 7

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Question 8

Define Sanitation? [1]

Answer 8

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Question 9

Define aseptic techniques? [2]

Answer 9

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Question 10

Define Asepsis? [1]

Answer 10

Slide 6

Question 11

What are the four transmission routes of infections? [4]

Answer 11

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Question 12

State five universal infection control? [5]

Answer 12

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Question 13

Give 10 key elements of universal infection control? [10]

Answer 13

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Question 14

What are the five moments for hand hygiene in a dental care? [5]

Answer 14

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Question 15

State important facts about history taking?

Answer 15

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Question 16

State important facts about hand washing?

Answer 16

Slide 11

Question 17

State important facts about cleaning of instruments?

Answer 17

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Question 18

State important facts about the use of disposables ?

Answer 18

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Question 19

State important facts about personal protective equipment?

Answer 19

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Question 20

What is the difference between the surgical mask and N95 mask?

Answer 20

Surgical mask blocks large particles of droplets containing microorganisms and the N95 can block small particles

Question 21

State the important facts on how to avoid needle stick injuries? [min 8]

Answer 21

Slide 24 & 25

Question 22

State important facts about safety disposable (by segregation) ?

Answer 22

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Question 23

You immunize staff against? [2]

Answer 23

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Question 24

State important facts about effective staff training? [3]

Answer 24

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Question 25

State important facts about surgical staff preparation? [8]

Answer 25

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Question 26

What is disinfected?

Answer 26

1. Instruments 2. Surfaces

Question 27

Purpose of disinfection? [3]

Answer 27

1. Prevent post op sepsis 2. Prevent transmission and cross infection 3. Maintain high standard of hygiene in the practice Slide 34

Question 28

Disinfection techniques for instruments?

Answer 28

1. Use of chemical agents 2. Use alcohol but not ideal because it evaporates quickly 3. Follow the manufacturers instructions on how to discard & how long should the instruments remain in the solution 4. Wash all visible contaminants before disinfecting 5. Rinse off the disinfect chemicals and use in short period of time Slide 35

Question 29

Decontamination of operating surfaces

Answer 29

1. High speed drill disperse aerosols in the air that land on the surface - wipe the surface with hospital grade disinfectant - coverage surface with disposable protective shields -limit the number of objects left on counter tops -disinfect after each pt - soap dispenser should be activated without using hands

Question 30

Name five (5) types of sterilization methods? [5]

Answer 30

Slide 39

Question 31

Describe moist heat sterilization? [5]

Answer 31

Slide 40

Question 32

Which three tests can you use to monitor autoclave efficiency? [3]

Answer 32

1. Bowie-Dick test 2. Browne test tube 3. Physical, chemical or biological tests

Question 33

Describe dry heat sterilization? [4] Give two types of dry heat sterilization? [2]

Answer 33

Slide 42 1. Incineration 2. Over baking

Question 34

Describe the unsaturated chemical vapor

Answer 34

Slide 44 1- packs are dry after the cycle - no corrosion of carbon steel

Question 35

Describe Filtration ? [2]

Answer 35

1. On water in theaters via water lines 2. Of air in the operatory

Question 36

Describe irradiation as a means of sterilization?

Answer 36

1. Use of UV radiation to maintain sterility of instruments

Question 37

Employees can acquire blood borne organisms via? [4]

Answer 37

1. Needle prick injury 2. Mucous membrane - blood splatter in the eyes 3. Human bite 4. Non- intact skin

Question 38

What are the conditions that normally affect employees? [3]

Answer 38

1. HIV 2. Hep B 3. Hep C

Question 39

Management of sharps injury? [5]

Answer 39

1. Written protocols and policies should be communicated 2. Blood test from pt and Hcw with counseling 3. PEP in HIV exposure 4. Passive immunization for those not immunized 5. Channels of reporting need to be known