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Sympsoiums yr2 > 1- Infection Prevention > Flashcards

1- Infection Prevention Flashcards

1
Q

List 4 ways Oral infections are spread?

A
  1. Physical contact
  2. Sharing food
  3. Pets transmitting bacteria
  4. Dentures
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2
Q

What is the likely distance of fallout from aerosol spray?

A

2m

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3
Q

What bacterium is predominantly found in the fallout?

A

Gram-positive bacteria

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4
Q

Draw the chain of infection

A

infectious agent -> Reservoirs -> Portal of exit -> Means of transmission -> Portal of entry -> susceptible host

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5
Q

4 routes of transmission in dentistry?

A
  1. Direct contact with body fluids/blood
  2. Indirect contact
  3. Contact of mucosa of eyes/nose/mouth with splatter
  4. Inhalation of airborne microorganisms
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6
Q

What document describes the decontamination process?

A

Health Technical Memorandum 01-05

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7
Q

How can we reduce the risk of transmission form aerosols?

A
  • using a face mask
  • high volume suction
  • rubber dam
  • pre-procedural mouthwash (chlorhexidine)
  • cover surfaces
  • zoning (clean zone, dirty zone)
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8
Q

How frequently do bacteria double in water lines?

A

every 20 minutes

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9
Q

4 steps of decontaminating instruments

A
  1. CLEAN (remove blood/saliva/debris)
  2. DISINFECT
  3. INSPECT
  4. STEAM STERILISE (134 degrees for 3 mins)
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10
Q

At what temperature do you steam sterilise?

A

134 degrees for 3 minutes

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11
Q

Why is there an increased emphasis on infection control?

A
  • a greater understanding of risks
  • you can’t identify carriers, therefore, universal precautions
  • more patients with compromised immunity
  • more resistant strains
  • more complex surgeries (e.g. implants)
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12
Q

How can you avoid needlestick injuries?

A
  • Don’t resheath needles
  • Care with matrix bands
  • Remove handpiece or bur after use
  • Close bur stand lid
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13
Q

List 5 special features of a dental practice

A
  1. operating room
  2. aerosol
  3. Keyboard in aerosol area
  4. Waterline/suction system
  5. compressor
  6. dental unit filters
  7. Air conditioners, ventilation
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14
Q

List 7 things to include in an infection prevention plan

A
  1. Instrument hygiene
  2. Personal hygiene
  3. Working hygiene
  4. Surgery hygiene between pts
  5. Clothes, laundry
  6. Cleaning
  7. Equipment maintenance
  8. Waterlines
  9. Building maintenance
  10. Interior design
  11. Contractors
  12. Staff training/vaccinations
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15
Q

List 7 problem microbes

A
  1. HIV
  2. Hep C
  3. MRSA
  4. vCJD
  5. EBSL
  6. TB
  7. C diff
  8. CPE
  9. VRE
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Sympsoiums yr2 (27 decks)

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