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chapter 20
medical microbiology
| Question | Answer |
|---|---|
| baccilli (bacillus) | bacteria that has a rod shape |
| cocci (coccus) | bacteria that has a round shape |
| colony | a mass of bacteria growing on a solid culture medium that have arisen from the multiplication of a single bacterium |
| contagious | capable of being transmitted directly or indriectly from one person to another |
| culture | the propagation of a mass of microorganisms in a laboratory culture medium. |
| culture medium | a mixture of neutrients on which microorganisms are grown ina laboratory. |
| false negative | a result denoting that a condition absent when it is actually present. |
| false positive | a result denoting that a condition is present when it is actually absent. |
| fastidious | extremely delicate, difficult to culture, and involving specialized growth requirements |
| immunization | the processes of becoming protected from a disease through vaccination. |
| incubate | in microbiology, the act of placing a culture in a chamber(incubator) that provides optimal growth requirementsfor the multiplication of the organisms,such as the proper temperature, humidity, and darkness. |
| incubation period | the interval time between the invasion by a pathogenic microorganism and the apperance of first symptoms of the disease. |
| infectous disease | a disease caused by a pathogen thta produces harmful effets on its host. |
| inoculate | to introduce microorganisms into a culture medium for growth and multiplication. |
| microbiology | the scientific study of microorganisms and their activity. |
| mucous membrane | a membrane lining body passage or cavities that open to the outside. |
| normal flora | harmless, nonpathogenic microorganisms that normally reside in many parrs of the bodybut do not cause disease. |
| resistance | the natural ability of an organism to remain unaffected by harmful substance in its enviroment. |
| sequela | a morbid (secondary) condition occuring as a result of a less serious primary infection. |
| smear | material spread ona slide for microscope examination. |
| specimen | a small sample or part taken from the body to show that nature of the whole. |
| spirilla (spirillum) | bacteria that have a spiral or curved shape. |
| streaking | the process of inoculating a culture to provide for the growth of colonies on the surface of a solid medium. streaking is done by skimming a wire inoculating loop that contains the specimen across the surface of the medum, using a back and forth maotion. |
| steptolysin | an exotoxin produced by beta-hemolytic streptococci, which completely hemolyzes red blood cells. |
| susceptible | easily affected, lacking resistace. |
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sashapalmer
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