micro final
Terms
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- chemical types of disinfectants
- germicide/ biocide...bactericide...viricide...fungicide...insecticide
- virulence
- degree of intensity
- commensalism
- one species benifits while the other is unharmed
- synergism
- species mulitply more rapidly together then alone
- microbiology2
- the science concerned with life, nature and the activity of unicellular organisms
- asepsis
- absence of microbes from a given object or area
- sepsis
- condition resulting from presence of bacteria and their products in the blood or body parts
- indirect modes of transmission
- contaminated food n water, fomites, dirty hands, filth, droplet NUCLEI
- halogens
- compounds or chemicals
- synnecrosis
- both species are unhappy
- opportunist
- exist in normal flora..may become pathogenic
- focal infection
- remains in one antomical area, but materials can spread
- sporadic
- an occasional case in a community or a scatter of residences
- attenuated
- a los of disease producing ability; organism whose virulence has decreased
- isotonic
- ideal solution for bacterial cell to thrive and survive
- mechanical (anatomical) defenses
- skin..mucous membrane...cilia..normal flora..body responces
- needs special dyes to view
- capsule....flagella...pili...spores
- sparilla
- spiral shape bacteria
- septicemia
- bacteria enters the blood stream and multiplies
- epidemic
- appearance of infectious disease or condition that attacks many people at the same time in same area
- cocci
- round shaped bacteria
- local infection
- remains in one antomical area
- procaryotic
- cell wall, no well defined nucleus, 1 chromosome
- bacterial colony
- group of bacteria growing in a solid medium arising from a single micro-organism
- anti-sepsis
- prevention of sepsis by inhibiting growth of a pathogen
- exogenous infection
- infection caused by an agent that reaches the body from the outside and enters a portal of entry
- hypertonic
- solution with high concentration of solute
- sterilization
- process of completly removing/ destroying all life forms and their products in or on a substance
- pandemic
- disease affecting majority of the population of a large region
- endogenous infection
- infection that comes from an organism that is normally present in the body
- human carrier
- human that has infection and is asymptomatic- most dangerous
- microbiology1
- scientific study of micro-organisms and their effect on other living organisms
- disinfectaion
- destruction of infectious agents by chemical or physical means directly applied to an inanimate object
- active carrier
- animal or human that has an infection you can see or identify its symptoms
- anti-septsis
- process of using chemical agents that will kill disease causing micro-organisms on living tissue, but not necessarily killing them
- eucaryotic
- no cell wall, well defined nucleus and 46+ chromosomes
- bacteremia
- bacteria enters the blood stream and doesnt multiply
- concentration
- number of molecules of solute in solution compared to number of molecules of colvent
- elective localization site
- area which organism prefers to attach
- steps to infection
- invasion..multiplication...reaction
- some bacteria
- has capsule...flagella..pili...spores
- parasitism
- one species benifits while the other is harmed
- osmosis
- passage of a solvent through a semi-permeable membrane from an area of lower solute concentraion to a higher solute of concentration
- general effects of infection
- fever...fatigue..toxicity..tachycardia..leucopenia...leucocytosis
- all bacteria
- has cell wall..cell membrane..cytoplasm..ribosomes..enzymes
- solution
- homogenous mixture of 2 or more substances
- physical means of controlling an organism
- scrubbing...heat...cold boiling...uv light
- incidence
- number of new cases per block of population in any given time
- factors that influence virulence
- capsule...pili..spores...toxins...enzymes
- mutualism
- both speciies benifit together
- thre steps of inflamation
- localizes cellular n vascular response at site, body reaction, repair injury and restore back to normal
- nanometer n micrometer
- unit of measurement
- plasmolysis
- process by which a bacterial cell will shrink n die when placed in hypertonic solution
- iodine
- widely used disinfectant
- endemic
- disease that occurs continuously in a particular region bu has low mortality
- bacilli
- rod shaped bacteria
- staphlyococci
- round shape bacteria in clusters
- direct modes of transmission
- direct contact...sexual transmitted..placental..droplet SPRAY
- scrubbing
- most basic form of sterilization
- solvent
- component that s present in greater among (water) dissolves the solute
- antagonism
- one species inhibits growth of another
- streptobacilli
- rod shaped bacteria in chains
- pathogen
- real or genuine disease-causing organism that sets out to cause you harm
- binary fission
- method of asexual reproduction in which a cell splits into parts of which develops into a complete individual
- plasmoptysis
- process by which a bacterial cell will swell and burt when placed into a hypotonic solution
- binomial system
- naming of bacteria by genus and species
- passive carrier
- animal or human that has no infection but pathogen is in or on carrier with no interaction
- heat
- most widely effective sterilizing agent
- inflamation
- local effects of infection on a body seen
- three functions of inflamation
- destroy irritating n injurous agents, limit extention of infection of body, mechanism of repair and replacement of tissue
- infections
- micro-organisms or living agent enters the body of a human or animal, multiplies and causes a reaction
- antibiosis
- one species is detrimental to the other
- symbiosis
- living together in close association of 2 different species
- hypotonic
- solution with low concentraion of solvent
- chemical defenses
- sweating...phagocytosis..lymphatic system...collateral cirulation...peristalsis..fever..inflamation
- contanmination
- act of introducing disease germs or infectious material into an area or substance
- conditions that affect bacterial growth
- pH, temp, oxygen, nutrients, light, moisture, osmotic pressure
- pathogenicity
- ability of a pathogen to overcome the defensive powers of the host and induce disease
- solute
- component that is present in lesser amount