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17 Cards in this Set
- Front
- Back
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211. Pt with AIDS or organ transplant has indolent pneumonia, w/ or w/o CNS abscess or granuloma. TOW?
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Nocardiosis
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212. Organism w/ characterization of Gram-positive branching, beaded, filamentous rod, weakly acid fast is
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Nocardia asteroids
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213. Hx of fever, cough, progressing to pulmonary hemorrhage in a pt who works at a wool-sorting factory; CXR: mediastinitis. TOW?
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Anthrax (Bacillus anthracis)
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214. Hx of non-productive cough, fever and dyspnea evolving over 2-4 wks. CXR (+): bilateral interstitial infiltrates, hypoxemia; ↑LDH, CD4 count <200/mm3 in a man who has sex with man (MSM). TOW?
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Pneumocystis pneumonia
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215. DOC of pneumocystis pneumonia (PCP)
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TMP-SMX
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216. Pt has urinary urgency, frequency, dysuria; lab: pyuria (+) or nitrite (+). TOW?
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Cystitis due to E. coli
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217. Significant UTI is confirmed by semiquantitative MSU culture based on the threshold of
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> 1,000 cfu/mL
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218. Mode of acquisition of uropathogen is
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Endogenous
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219. Microbial (structure) factor favoring bacterial persistence /colonization and UTI is
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bacterial binding via fimbriae
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220. Factor favoring bacterial persistence/colonization and UTI despite high osmolarity and urea concentrations and low pH is
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high bacterial growth rates
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221. Host factor favoring bacterial persistence/colonization and UTI is
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Urinary stasis
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222. Host factor favoring bacterial persistence/colonization and UTI despite frequent voiding and high urinary flow is
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Absence of bactericidal effects of secreted proteins
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223. Pyogenic inflammation in complicated UTI due to Gram- negative bacteria is due to
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Lipopolysaccharide
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224. Empiric DOC to treat community-acquired UTI in adults is
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ciprofloxacin
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225. These drugs inhibit DNA topoisomerases (DNA gyrase and topoisomerase IV) by binding to DNA-enzyme complexes, thereby interfering with bacterial DNA replication. What?
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Fluoroquinolones
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226. Avoid fluoroquinolones for the empiric Tx of UTI in pregnant women; alternative is
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Nitrofurantoin
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227. Gram-positive bacteria that cause uncomplicated UTI in sexually active, young women are
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Staphylococcus saprophyticus
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