Micro

Front 1

therapeutic index

Back 1

the ratio of the toxic dose to the therapeutic dose

Front 2

synergism

Back 2

interaction of discrete agencies or conditions such that the toal effect is greater than the sum of the individual effects

Front 3

epidemiology

Back 3

study of factors determining the influencing the freq and distribution of disease

Front 4

pandemic

Back 4

increase in the occurrence of a disease within a large geographically area

Front 5

prevalence rate

Back 5

reters to the total number of people infected at anyone one time in a given population

Front 6

carrier

Back 6

infected individual who is a potential source of infection for others

Front 7

chronic carriers

Back 7

person who harbors a pathogen for a long time

Front 8

antibiotics

Back 8

microbial product that kills suscepti le microorganisms

Front 9

parenteral route

Back 9

route of drug injection that is non oral

Front 10

endemic disease

Back 10

disease that is commonly or sonstantly present in a population, at steady low frequencys

Front 11

enzootic

Back 11

moderate prevalence of a disease in a given animal population

Front 12

mortality rate

Back 12

ratio of the number of deaths from a given disease to the total number of cases of the disease

Front 13

incubatory carrier

Back 13

individual sho is incubating a pathogen but is not yet ill

Front 14

direct contact

Back 14

physical interaction with the infectious source

Front 15

synthetic drugs

Back 15

synthesized by one of a few bacteria or fungi

Front 16

sputum

Back 16

muscous secretion from the lungs

Front 17

epidemic

Back 17

disease that suddenly increases in occurrence above the normal level in a given population

Front 18

zoonosis

Back 18

disease in animals that can be given to humans

Front 19

reservoir

Back 19

serves as a source from which other people can get infected

Front 20

active carrier

Back 20

overt clinical case of a disease and who can transmit the infection to others

Front 21

nosocominal infections

Back 21

infection that develops within a hospital that was aquired during the stay

Front 22

semisynthetic drugs

Back 22

natural anibiotics that have been chemically modified by the addition of extra chemical groups to make them less susceptible to inactivation by pathogens

Front 23

selective media

Back 23

culture media that favor the growth of specific microorganisms

Front 24

index case

Back 24

first disease case in an epidemic within a given population

Front 25

morbidity rate

Back 25

number of people who bacome ill as a result of a particular disease within a susceptible population durning a certain time

Front 26

communicable disease

Back 26

disease associated with a pathogen that can be transmitted from one to another

Front 27

healthy carrier

Back 27

has pathogen but is not ill

Front 28

MIC

Back 28

minimal inhibitory concentration is the lowest concentration of a drug that precents growth of a particular pathogen

Front 29

cellulites

Back 29

spreading infection of subcutaneous skin tissue caused by streptococci, staphylococci, and other organisms.

Front 30

tinea curis

Back 30

infection of the groin by either epidermophyton floccosum, trichophyton aka juck itch

Front 31

ghon complex

Back 31

initial focus of parenchymal infection in primary pulmonary TB

Front 32

perodontal disease

Back 32

disease of the mouth

Front 33

catalase

Back 33

converts hydrogen peroxide into water and oxygen and reduces killing by phagocytes

Front 34

hyaluronidase

Back 34

spreading factor