Ch.23: Microbial Diseases of the Cardiovascular System Flashcards
What do many pathogenic bacteria produce
septicemia and they disseminate throughout the body
What is sepsis
The body extreme response to an infection
What is septic shock
a life-threatening condition happens when blood pressure drops to a dangerously low level after an infection
What is the Plague caused by
bacterium Yersinia pestis
What is a bubonic plague
-Bite of flea introduces organism; moves to lymph nodes
forms buboes-enlarged nodes
what is septicemic plague
plague bacteria multiples in the bloodstream
What is pneumonic plague
in the lungs, highly infectious, passed by airborne droplets
How is the plague endemic in western U.S normally transmitted
from animal to animal (rats, prairie dog) by bite of infected fleas
What inhibits phagocytosis in the Plague
virulence factors
What is the sylvatic cycle
plague between fleas and rodents, contaminated soil
What is the pneumonic plague epidemic
direct human-to-human transmission, secondary plague pneumonia
What is the urban cycle
between fleas and rodents, direct contact