Bacterial Growth 4 Flashcards
Definition of pathogen
An organism which can invade the body and cause disease
Problems with staphylococcus aureus
Can be methicillin resistant
What is colonisation
The presence of microorganisms in or on a host, with growth and multiplication but without any overt clinical expression (infection) at the time the microorganism is isolated
Do not treat these with antibiotics
Some examples of where staphylococcus aureus can colonise
Nose, throat , oral cavity
Some patterns of staphylococcus carriage
- persistent
- intermittent
- non carriers
What are some risk factor for S aureus colonisation
Antibiotic use
Diabetes
What are means of transmission for MRSA in dental practices
Surfaces
Definition of infection
Invasion of the body by pathogenic microbes and the reaction by tissues to their presence and to the toxins generated by them
What is an oral infection caused by staphylococcus aureus
Angular chelitis
What kind of bacteria is s epidermis
Commensal