infection control wk3 test
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| obligate aerobe | must have oxygen to live
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| major classifications of microorganisms | viruses, rickettsiae, fungi, protozoa, bacteria
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| symbiosis | close relationship between organisms
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| what microbial relationships are symbiosis | mutalism, commensalism, parasitism
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| antibiosis | one organism produces substances or causes conditions which are lethal for other organisms
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| mutalism | both benefit
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| parasitism | one organism derives benefit from another organism, at the other's expense
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| independence | 2 different kinds of organisms living independently without affecting the other
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| commensalism | one organism recieves benefit from another organism, but causes it no harm
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| diplococci | sphere or round forms that appear in pairs
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| staphylococci | sphere or round forms that arrange themselves in grapelike clusters
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| diplobacilli | rod or cylinder shapes that appear in pairs
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| streptobacilli | rod or cylinder shapes that appear in chains
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| stretococci | cling together in long chains
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| spirillum (spirilla) | longer, rigid, curved organism, usually with several spirals and several flagella
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| staphylococcus aureus | most post-operative wound infections
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| streptococcus pyogenes | strep throat, scarlet fever, pnemonia, glomerulonephritis, rheumatic heart disease
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| escherichia coli | gastroenteritis, urinary tract infection, pyelonephritis, epidemic diarrhea in newborn nurserys
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| clostridium perfringens | gas gangrene
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| immunotrophic | aids, hiv
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| hiv | human immuno virus
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| aids | aquired immuno deficency syndrome
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| aerobe | microorganism; requires oxygen to live
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| anaerobe | microorganism that lives without oxygen
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| bacteriophage | virus that attacks bacteria
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| binary fission | method of asevual reproduction in which the cell divides into two parts
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| microbiology | study of microorganisms
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| morphology | study of structure and form
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| normal flora | microscopic plant life such as bacteria, which are adapted to residing in a given area of the body during health
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| nosocomial infection | hospital-inquired infection
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| obligate | compulsory
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| opportunistic miroorganism | microorganism which causes infection when given the opportunity by the altered physiological state of the host
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| parasitology | study of parasites
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| mycology | study of fungi
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| pathogen | disease-causing microorganism
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| virology | study of viruses
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| virulence | relative power of pathogen to cause disease
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| 5 major classes of a microorganism | viruses, ricketsiae, fungi, protozoa, bacteria
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| symbiosis | close relationship between two organisms
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| what 3 relationships represent symbiosis | mutalism, commensalism, parasitism
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| antibiosis | one organism produces substances or causes conditions which are lethal for other organism
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| mutualism | both organisms benefit
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| parasitism | one organism derives benefit from another organism, at the other's expense
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| independence | two different kinds of organisms living independently without affection the other
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| commensalism | one organism receives benefit from another, but causes it no harm
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| what do capsules help aide in | identification
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| what destroys spores/ capsules | autoclave
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| what are the two types of toxins | endotoxins and exotoxins
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| what toxin is only liberated when the bacterial cell dies and disintegrates | endotoxin
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| what toxin is the by product after death | endotoxin
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| what toxin is an example of typhoid fever and bacillary dysentery | endotoxin
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| what toxin is an example of tetanus, gas gangrene, ditheria, and scarlet fever | exotoxin
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| sterility | absent of all microorganisms
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| what requires living or dead organic matter for food and are pathogenic | bacteria
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| what needs the ph scale to by slightly on the alkaline scale to grow | bacteria
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| clostridium tetani | tetanus
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| what causes lock jaw | clostridium tetani
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| what are helminths | worms
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| what are examples of helminths | round worms, pin worms, hook worms, and flat worms
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| viruses are what kind of parasite | obligate intracellular parasites
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| what shapes can a virus be | rod or sphere
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| two types of hepatitis | viral hepatitis, and chemically-induced hepatitis
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| what can viral hepatitis also be | viscerotrophic
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| t or f, patients infected with the HIV virus may be asymptomatic | true
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| what is usually found as evidence as having aids | kaposi's sarcoma
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| 4 examples of dermotrophic viruses | small pox, chicken pox, fever blisters, measels
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| 4 examples of pneumotrophic viruses | common cold, influenza, virual pnemonia, infectious mononucleosis
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| 2 examples of neurotrophic viruses | rabies, encephalitis
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| 2 examples of viscerotrophic viruses | mumps, hepatitis
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| 2 examples of immunotrophic viruses | hiv, aids
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