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USMLE Step3 Infectious Disease

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. How to differentiate gonococcal and nongonoccal urethritis?






2. What is the criteria for Spontaneous bact peritonitis






3. How to differentiate different types of necrotizing fascitis?






4. How to give postexposure prophylaxis for HIV






5. How to dx IM?






6. When to tx asymptomatic bacteriurea >100 -000?






7. How long we tx chronic prostatis?






8. How to confirm dx if pcp?






9. How long abx is given in pseudomonas infection?






10. What is characteristic for dx of rocky mountain spotted fever?






11. What is tx for herpes zoster






12. after recent exposure - negative ELISA - How to confirm?






13. patient with diagnosed case of cryptococcal meningitis p/w severe headache and vomiting






14. INH






15. How to differentiat PML from toxoxplasmosis - cns lymphoma adn brain abscess

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16. What are indicators for progression of HIV






17. low grade fever - maculopapular rash - lymphadenopathy






18. What is the indication of corticosteroid in pcp infection?






19. clinical manifestation of mucomycosis






20. wisconsin - missisipi - ohio






21. when not to give INH therapy if ppd positive and patient asyptomatic






22. when we see echym gangrenosum?






23. How to give postexposure prophylaxis to patient who received vaccine but titer inadequate






24. How to dx cryptococal meninggits






25. What is the prognosis of lyme arthritis?






26. How to dx adequate response to HBV vaccine






27. How to tx TSS?






28. acute onset +rusty sputum






29. acute febrile reaction develops after starting penicilin tx to syphilis patient






30. What is fatal consequence of RMSF?






31. rifampin






32. What is the pathophysiology of Meningococcal meningitis?






33. How often HIV postiive patients CD4 count needs to be evaluated?






34. antibiotic with good prostate penetration?






35. When not to tx asymptomatic bacteriura?






36. after bone marrow transplant - patient develop headache - fever - cought and chest pain. What is dx?






37. damae that is about to occur?






38. What are the subjective /objective measure of encephalopathy?






39. where TB normally affects






40. when western blot is done for HIV testing






41. causative organisms of uti






42. How to dx lyme arthritis?






43. dame that has already occurred






44. Do we need to give vaccine or immunoglobulin for rabies exposure in previously vaccinated person?






45. hypertension in children






46. thrombocytopenia in HIV






47. INH






48. what if monospot test is neg in IM?






49. patient is taking inhaled corticosteroid for asthma - now p/w oral candidiasis






50. What is the mch of ampicillin induced rash in IM