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45 Cards in this Set
- Front
- Back
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what property of bacteria is demonstrated by which two different bacteria of the same species isolated from two different people will have different qualities
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strains
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outer covering in gram negative
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membrane
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outer covering in gram positive
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muerin cell wall
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gram positive is what color
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purple
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negative is what color
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red
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4 major categories of bacterial classification
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gram positive cocci and rods, gram negative cocci and rods
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two most prevalent gram positive cocci
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stapylococcus and streptococcus
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how are streptococci subdivided
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changes they produce when grown on blood agar
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what type of strep lyses RBC
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B-hemolytic
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what does A-hemolytic do
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causes area around colonies to turn green
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what is the streptococcal method of energy production
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fermentation
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what is their primary classification
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oxygen tolerant anerobes
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what is the most pathogenic variant of B-hemolytic strep
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group A strep
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main pathogenic species of staphylococcus
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s aureus and s saprophyticus
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is staph or strep more environmentally hardy
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stapylococcus
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what produces coagulase
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s.aureus
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what medical significant pathogen is a gram negative cocci
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neisseria
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what two gram negative cocci are in the mouth and pharynx
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gonococcus and meningiococcus
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what classification only infrequently causes diseases
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gram positive rods
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what is the most common gram positive rod
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spore forming rods
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what causes gas gangrene
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c perfinigens
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pseudomembranous colitis
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caused by c. difficile
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gram negative bacteria consist of a lot of
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enteric bacteria
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e coli is a
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gram negative rod
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salmonella is a
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gram negative rod
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shigella is a
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gram negative rod
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acid fast bacteria
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tubercile bacillus and leprosy bacillus
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what is the most noteworthy strict anaerobic gram negative rod
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bacteroides
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what will the above bacteria cause if found in deep tissues
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peritonitis
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treponema palladium causes what
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syphilis
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what type of bacteria is the above
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spirochetes (spiral shaped)
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what does leptospira cause
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icterohemorrhagic fever
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what does borrelia recurrentis cause
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relapsing fever
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B. burgdorferi causes what
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lyme disease
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what is the most common cause of STD
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chlamydiase trachomatis
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what causes pneumonia and has been linked to atherosclerosis
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c pneumoniae
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what are small intracellular bacteria that are also obligate parasites
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rickettsiae
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rocky mountain spotted fever and typhus are caused by what
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rickettsiae
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what bacteria infects WBC specifically in this context
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ehrlichia
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how is ricketssiae transferred
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bite of arthoropods
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what is the rickeettsiae transmitted by inhalation
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q fever/ coxiella burnetii
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what type of bacteria lack a ridgid cell wall
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mycoplasmas
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what do mycoplasmas need for growth that nothing else needs
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sterols
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why are mycoplasmas resistant to penicillin
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because lack muerin walls
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what bacteria could be detected by PCR and 16s rRNA sequencing before it could be cultured in the lab
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tropheryma whipplei
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