Diagnosis and Control of Infection Flashcards
What are the 3 types of transmission?
Contact, indirect or vector transmission
What two main factors spread infection?
Reservoirs of infectious organisms
modes of transmission
What is contact transmission?
A healthy person exposed to pathogens by being close to an infected person
What is vehicle transmission?
Transmission of disease via medium
What is vector transmission?
Transmission of disease via animals or parasites
What are Koch’s 4 postulates
1) microorganism must be found in abundance in all organisms suffering from the disease
2) The microorganism mist be isolated from a diseased organism
3) the cultured microorganism should cause disease when introduced into a healthy organism
4) the microorganism must be reisolated from the inoculated and identified to the original specific causative agent
What are the two main detection methods?
Direct detection methods and indirect detection methods
What are the 4 types of medium?
Defined medium
enrichment medium
selective medium
differential medium
What are the major targets for antibacterial agents?
Cell wall synthesis
plasma membrane function
nucleic acids synthesis
protein synthesis