USMLE Step 1: Microbiology EXAM QUESTIONS AND ANSWERS LATEST |AGRADE
USMLE Step 1: Microbiology EXAM QUESTIONS AND ANSWERS LATEST |AGRADE organisms known for causing endocarditis - ANSWER- S. aureus, Staph epididermis, viridans strep, VRE, Strep. bovis, HACEK organisms four drug regimen used to treat TB - ANSWER- isoniazid, ethambutol, rifampin, pyrazinamide used to treat Trichomonas or Gardnerella - ANSWER- metronidazole used to treat Plasmodium vivax or ovale - ANSWER- chloroquine + primaquine used to treat Pediculosis capitis or pubus - ANSWER- permethrin, pyrethrin organisms most commonly responsible for otitis media - ANSWER- Strep pneumoniae Haemophilus influenzae Moraxella catarrhalis organism most commonly responsible for otitis externa - ANSWER- Pseudomonas aeruginosa fungus that causes San Joaquin Valley fever - ANSWER- Coccidioides fungus found in rural Latin America - ANSWER- Paracoccidioides fungus associated with plant thorns and cutaneous injury - ANSWER- Sporothrix fungus found in states east of the Mississippi River - ANSWER- Blastomycosis fungus found in bird and bat droppings - ANSWER- Histoplasmosis mold form contains barrel-shaped arthroconidia - ANSWER- Coccidioides encapsulated bacteria (8) - ANSWER- E. coli, Strep pneumoniae, N. meningitidis, Klebsiella pneumoniae, Haemophilus influenae, Pseudomonas aeruginosa, Salmonella, group B Strep steeple sign on X-ray - ANSWER- croup, parainfluenza virus thumb sign on x-ray - ANSWER- epiglottitis, Haemophilus influenza treatment of chronic hepatitis B and C - ANSWER- IFN-alpha, ribavirin
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