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43 Cards in this Set

  • Front
  • Back
disease causing organism? also called an infectious agent...
Pathogen
diseases transmitted by human contact...
contagious or communicable
infectious diseases that cannot be transmitted by personto person contact...
non-communicable
the study of the transmission, occurance, distribution, and control of disease...
Epidemiology
disease causing organism? also called an infectious agent...
Pathogen
the number of new cases of a disease in a population is its...
incidence
diseases transmitted by human contact...
contagious or communicable
the number of existing cases of a disease is its...
prevelance
term for when a disease always occurs at low levels in a population...
endemic
infectious diseases that cannot be transmitted by personto person contact...
non-communicable
term for if a disease occurs in unusually large numbers over a specific area...
epidemic
the study of the transmission, occurance, distribution, and control of disease...
Epidemiology
when an epidemic has spread to include several large areas worldwide, it is...
pandemic
the number of new cases of a disease in a population is its...
incidence
the number of existing cases of a disease is its...
prevelance
term for when a disease suddenly occurs in unexpected numbers in a limited area and then subsides...
outbreak
term for when a disease always occurs at low levels in a population...
endemic
term for if a disease occurs in unusually large numbers over a specific area...
epidemic
when an epidemic has spread to include several large areas worldwide, it is...
pandemic
term for when a disease suddenly occurs in unexpected numbers in a limited area and then subsides...
outbreak
name for diseases under constant survelance in the US...
notifiable diseases
100 trillion micro-organisms in and on our bodies that help us by preventing harmful micro-organisms and making vitamins...
Normal Flora..or Microbiota
term for the source of an infectious agent...
reservoir
term for when infec. dis. is transferred directly from human to a susceptible human...
horizontal transmission
term for when infec. dis. are transferred from generation to generation from mother to child...
vertical transmission
micro-organisms enter the host by bite sites, pucture sites, and surgery..what route is this?
Perenteral
inanimate objects that are contaminated by direct contact with the reservoir...
formites
infected persons beingkeptaway from healthy individuals...
isolation
seperation ofpersons who may or may not be infected from healthy people untilrisk has passed...
quarantine
an infectious agent composed only of protien...
Prion
infectious particles made ofa core of genetic material and wrapped in a protien coat (capsid)...
virus
viruses insert themselves in cells and do not reproduce...
latent infection
name for round shaped Bacteria...
cocci
name for rod-shaped Bacteria...
bacilli
spiral-shaped Bacteria...
spirilla
cork-screw shaped Bacteria...
spirochetes
comma shaped Bacteria...
vibrios
process of coloring cell walls fortesting...
gram stain
name for substance some Bacteria secrete onto their surface..very sticky..
glycocalyx or sugar coat
If the glycocalyx is organized and firmy attached to the wall itis called...
capsule
If the glycocalyx is unorganized and loosely attached to the wall itis called...
slime layer
longer hair-like appendages of some Bacteria such as E-Coli,,,used for locomation...
flagella
short, hair-like appendages on someBacteria ends or the entire surface used to attachto surfaces...
fimbrae and pili