click below
click below
Normal Size Small Size show me how
chapter 20
terminology review
Question | Answer |
---|---|
Bacili | bacteria that have a rod shape |
Cocci | bacteria that has a round shape |
colony | a mass of bacteria growing o a solid culture medium that have arisen from the multipication of a single bacterium |
contagious | capable of being transmitted directly or indirectly from one person to another |
culture | the propagation of a mass of microorgansims in a labatory culture medium |
culture medium | a mixture of nutrients on which microorgansims are grown in the labatory |
false negitive | a test result denoting that a condition is absent when it is actually present |
false positive | a test 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 process of becoming protected from a disease through vaccination |
incubate | in microbiology the act of placing a culture in a chamber that provides optimal growth requirements for the multiplication of the organsims such as the proper temp, humidity and darkness |
incubation peroid | the interval of time between the invasion by a pathogenic microorgansim and the apperance of the first symptoms of the disease |
infectious disease | a disease caused by a pathogen that produces harmful effects on its host |
inoculate | to introduce microorgansims into a culture medium for growth and multiplication |
microbiology | the scientific study of microorgansims and their activites |
mucous membrane | a membrane lining body passages or cavities that open to the outside |
normal flora | harmless nonpathogenic microorganism that normally reside in many parts of the body but do not cause disease |
resistance | the natural ability of an organism to remain unaffected by harmful substance in its environment |
sequela | a morbid condition occuring as a result of a less serous primary infection |
smears | material spread on a side for microscope examination |
specimen | a small sample or part taken from the body to show the nature of the whole |
spirlla | bacteria that have spiral or curved shape |
streaking | the process of inculating a culture to provide for the growth of colonies on the surface of a solid medium |
streptolysin | an extoxin produce by beta-hemolytic streptococci which completelty hemolyzes red blood cells |
suceptible | easily affected lacking resistance |