General Flashcards
1
Q
Virulence
A
properties that allow an organism to establish infection and to cause disease or death
2
Q
Mehanisms of Host Defense against Infection
A
Skin, tears, normal bacterial flora, gastric acid, bile, salivary/pancreatic secretions, filtration in nasopharynx, mucociliary blanket, neutrophils, monocytes, complement, Igs, cell-mediated immunity
3
Q
Opportunistic pathogens
A
organisms that mainly cause disease in hosts with impaired defenses
4
Q
Viruses
A
require living cells in order to replicate - obligate intracellular parasites