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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. What is lag time to develop lyme arthritis after exposure to vector






2. systolic HTN in elderly






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






4. aspergillosis






5. How to dx lyme arthritis?






6. How to tx pseudomonas?






7. thrombocytopenia in HIV






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






9. infiltrate in upper lobe of lung?






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






11. damae that is about to occur?






12. How to dx progressive multifocal leukoencephalopathy






13. What is difference between uti relapse versus recurrence?






14. worsening of TB after starting HAART in HIV






15. What is the prognosis of lyme arthritis?






16. When to give prophylaxis against MAC






17. How long abx is given in pseudomonas infection?






18. low grade fever - maculopapular rash - lymphadenopathy






19. INH






20. hypertension in children






21. When to give abx to prevent recurrent uti






22. pneumococcal vaccine indication?






23. how im is transmitted?






24. pathophysiology of toxic shock syndrom?






25. hypertriglyceridemia in HIV






26. What are indicators for progression of HIV






27. How to differentiate gonococcal and nongonoccal urethritis?






28. What is the criteria for Spontaneous bact peritonitis






29. what if monospot test is neg in IM?






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






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






32. How to dx?






33. what would be viral load after 4 weeks






34. gas gangrene






35. When to tx influenza with antiviral therapy?






36. how CMV presents in immunocompromised patients






37. can HIV transmitted through human bite?






38. How to tx pcp?






39. How to confirm dx if pcp?






40. after exposure of HIV when antibody testing is performed?






41. how HAART therapy affects HIV viral loads?






42. How to tx chronic hep B






43. when western blot is done for HIV testing






44. What is used for prophylaxis against meningo..meningitis?






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

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46. antibiotic with good prostate penetration?






47. clinical manifestation of mucomycosis






48. What is the Tx of STD uretheritis?






49. acute onset +rusty sputum






50. How to dx cryptococal meninggits