M3 Infection Control Flashcards
What are the encouraging factors for Legionnaires growth?
Water between 20-45 •c
Stagnant water
Lime scale
Sediment in water
How long can sterilised instruments be kept in a lidded tray in a non clinical environment?
1 week
What is the chain of infection?
Disease
Human host
Portal of exit
Transmission
Portal of entry
New host
How long does a cycle last in a type B autoclave?
Up to 45 minutes
What % of the UK population were living with HIV before being diagnosed?
28%
In dentistry which type of micro-organisms concern us most?
Bacteria and spores
Viruses
Fungi
Prions
How long can bagged instruments be kept?
1 year
How often should heavy duty gloves be changed?
Weekly or more often if visibly worn or damaged
What is a type B steriliser?
Vaccum
Which fluids can transmit disease?
Cerebrospinal
Pleural
Synovial
Blood
Semen, vaginal fluid and urine
How long should waterlines be flushed through inbetween patients?
30 seconds
How long is a cycle in an N type autoclave?
15-20 minutes
What rate of people living in the UK have been diagnosed with Hepatitis C?
1 in 100
What temperature does an autoclave sterilise?
134•c for 3 minutes
2.2 bar pressure
What does AIDS stand for?
Acquired Immune Deficiency Syndrome
What are the discouraging factors for Legionnaires?
Water temperature above 45•c
Water temperature below 20•c
Clean systems
How long should waterlines be flushed through at the start of the day?
2 minutes
What does HIV stand for?
Human Immunodeficiency Virus
How often should a Legionnaires risk assessment be carried out?
Every 24 months
What is an N type steriliser?
Non Vaccum
Hepatitis C causes inflammation. What percentage of people will have chronic infection?
80%
What type of solution is used in an ultrasonic bath?
Enzymatic
