Virulence

Severity of disease

• incidence

• virulence

• pathogenicity

• taxogenicity

An organism or vehicle that transmits the causative agent or disease-causing organism from the reservoir to the host.

• host

• vector

• agent

• pathogen

A microorganism that can cause disease is called a(n) ________________.

• pathogen
• host
• virulence
• autogenous

An Adhesion Factor is ...

• component of appendage on the surface bacteria that helps their adhesion to other cells

• a protein that allows a pathogen to colonize the host's body

• a protein that allows pathogens to enter cells

• a protein produced by pathogens that poisons hosts cells

Invasion factor is ...

• component of appendage on the surface bacteria that helps their adhesion to other cells

• a protein that allows a pathogen to colonize the host's body

• a protein that allows pathogens to enter cells

• a protein produced by pathogens that poisons hosts cells

A toxin is ...

• component of appendage on the surface bacteria that helps their adhesion to other cells

• a protein that allows a pathogen to colonize the host's body

• a protein that allows pathogens to enter cells

• a protein produced by pathogens that poisons hosts cells

A component of a pathogen's outer membrane and not freely liberated into the surrounding medium is a...

• Endotoxin

• Exotoxin

A protein produced and released by a pathogen is a...

• Endotoxin

• Exotoxin

Identify the term:

_____ an outer coating many bacteria have composed of polysaccharides that help it to evade the hosts defense mechanisms.

Which type of virulence factor allows the pathogen to evade the immune response of the host by making it less likely the immune system will recognise it?

• adhesion factors

• Many different lifecycle stages

• invasion factors

• toxins