What is an Infection? Flashcards
1
Q
What is an infection?
A
- An invasion of a host’s tissues by micro-organisms
- Disease caused by: microbial multiplication, toxins and the host response
2
Q
What is the source of an infection?
A
The origin from which the host acquired the infection.
3
Q
What is the a likely endogenous source of infection?
A
the microbial flora
4
Q
What are some routes of transmission?
A
- Physical contact
- Ingestion
- Inhalation
5
Q
What is vertical transmission?
A
From mother to child before birth
6
Q
What are the 4 steps to micro-organisms causing disease?
A
- Exposure
- Adherence
- Invasion
- Colonization and growth
7
Q
What are some pathogen disease determinants?
A
- Virulence factors
- Innoculum size
- Antimicrobial resistance
8
Q
What are some supportive investigations when dealing with infection?
A
Full blood count C-reactive protein Blood Chemistry Imaging Histopathology