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36 Cards in this Set
- Front
- Back
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FA: yersinia enterocolitica Tx
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pet feces (e.g. puppies)
contaminated milk, pork |
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a quinolone
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nalidixic acid
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fluoroquinolones resistance
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chromosomal mutation in DNA gyrase
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ALT, AST normal ranges
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8-20, 8-20
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yersinia enterocolitica is oxidase +/-
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negative
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Ixodes tick transmits (3)
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Ehrlichia phagocytophila
Borrelia burgdorferi Babesia microti |
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_ is pathognomonic for ehrlichia phagocytophila
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morulae (berry-like clusters of organisms) inside granulocytes
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cryptosporidium parvum pathogenic mechanism
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intracellular multiplication in the brush border --> lysis of cells
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diagnosis of cryptosporidium parvum
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acid fast cysts in stool
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quinolones mechanism
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inhibiting DNA gyrase or topoisomerase IV
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ciprofloxacin is a _
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fluoroquinolone
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the main resistance mechanism for fluoroquinolones is by _, but resistance also occurs by _
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chromosomal mutation in DNA gyrase or topoisomerase IV
--mutations in membrane permeability genes --plasmid-encoded pumping |
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G+ cocci that cause UTI in a female
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staph saprophyticus
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the most common bacterial gastroenteritis in the USA
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campylobacter jejuni
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campylobacter jejuni most common route of transmission
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poultry
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persistence of _ indicates chronic HB hepatitis
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HBsAg beyond 6 months
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diphtheroids are...
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identical to C. diphtheriae; they're normal flora of the oropharynx.
distinguishable by the ELEK test |
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DNA nucleocapsid viruses
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adenovirus
papillomaviruses parvovirus |
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_ may be a source of infection from adenovirus
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contaminated swimming pools
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the most common cause of neonatal meningitis
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group B strep (strep agalactiae)
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CAMP test presentation
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arrowhead formation on blood agar
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rocky mtn spotted fever rash begins
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on hands and feet
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3 severe manifestations that may occurs with rocky mtn spotted fever
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hepatosplenomegaly
thrombocytopenia DIC |
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chloramphenicol grey baby syndrome sxs
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--abdominal distention with or without emesis
--progressive palid cyanosis --vasomotor collapse --irregular respiration --can --> death within a few hours |
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cold agglutinins are...
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IgM ~ that agglutinate ~ RBCs at 4 C
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since Mycoplasma does not have a cell wall, its atypical pneumonia does not elicit the same _ as other bacterial pneumonias
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neutrophilic infiltrate
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a majority (80%) of cases of lobar pneumonia are caused by _
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strep pneumo
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post-influenza bacterial pneumonia with cavitary lesion/pulmonary abscess, think _
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staph aureus
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Rx for staph aureus pneumonia is with _
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nafcillin
oxacillin |
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two causes of impetigo
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staph aureus
strep pyogenes |
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impetigo is most common among
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pre-school-age children;
(also: contact sports) |
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impetigo rash description
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may begin with small vesicles
--> golden-brown & crusted lesions with an erythematous base, in various stages of healing |
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rash of rocky mountain
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centripetal. begins on ankles & wrists / hands & feet
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pathogenicity of rocky mtn
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intracellular infection of endothelial cells --> vasculitis of skin & kidney
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classic rash of lyme disease
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expanding bull's eye lesion (erythema migrans)
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actinomyces is normal flora & occupies...
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oral, notably
--also GI; female reproductive tract |
