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20 Cards in this Set

  • Front
  • Back
what disease is characterized by secretions in mouth get past the choking relfex and instead of going inot the esophagus and stomach go into the lungs
legionnaires disease
what does SARS stand for
severe acute respiratory syndrom
elements of plague
panic, curtailed travel and commerce, and economic collaspe
is our world more or less vunerable than it was in the past and why
is is more vunerable bc diseases can spread more quickly because of increased and repid movements of people and goods
theya re unable to survive on their own and require another living being for thier nurishment
assocaition of the two organisms (parasites (the one the benefit) and the host (the one that is at the expense of the other
what is a virus composed of
it is a fragment of genetic material wrapped in protien
which parasites consist of a single cell
bacteria, fungi, protozoa
which parasites are made up of many cells
roundworms, flatworms, mosquitos, flies, ticks
do parasites live in or outside of the body
do all parasties kill thier host
no, but all of them cause harm
no back- parasites produce lots of offspring to increase their chance of survival
no back
live attached to the lining of the small intestine, about the size ofan eyelas
resistant stages
some parasites use spores, eggs, or cysts to move from onehost to another
the movement of a parasite from host to host directly or indirectly
mechanical transmission
transmissions such as a bite of a mosquito
developmental transmission
ex) parasites that grow and reporduce in organisms
infectious but asyptomatic individuals
typhoid mary
spread the typhoid fever to many people as a cook even though she never had any signs of the disease
three factors are required for a parasite to spread from host to host
there must be infectious individuals, there must be susceptible individuals, and ther emust be a means of transmission between the two