virulence factors

Which pathogen needs a host cell to reproduce?

• virus
• bacteria
• fungus
• parasite

How could you describe the size of a virus?

• Smaller than bacteria
• Larger than a parasite
• About the size of a dime
• Smaller than a proton

Severity of disease

• incidence

• virulence

• pathogenicity

• taxogenicity

Capacity of disease to cause disease in infected host

• infectivity

• virulence

• taxogenicity

• pathogenicity

Ability of agent to survive adverse environmental conditions

• antigenicity

• resistance

• pathogenicity

• virulence

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 pathogen bound to it'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

A host is:

• An organism that harbors a pathogen

• Grant Denyer on Family Feud

• An animal that transmits a pathogen

• A microorganism that has been transmitted