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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 often HIV postiive patients CD4 count needs to be evaluated?






2. Tx of choice for human bites






3. pathophysiology of toxic shock syndrom?






4. How long we tx chronic prostatis?






5. What is the criteria for Spontaneous bact peritonitis






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






7. What is tx for herpes zoster






8. What is the pathophysiology of Meningococcal meningitis?






9. aspergillosis






10. How to tx TSS?






11. antibiotic with good prostate penetration?






12. what would be viral load after 4 weeks






13. When not to tx asymptomatic bacteriura?






14. How to give postexposure prophylaxis for HIV






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






16. what parameters increases risk of neurosyphilis in HIV patient






17. How to dx adequate response to HBV vaccine






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






19. hypertriglyceridemia in HIV






20. What is tetanus - diptheria - pertusis recommendation?






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






22. How to dx IM?






23. thrombocytopenia in HIV






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






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






26. How to tx IM?






27. How often viral load is monitored after HAART?






28. if a patient received BCG vaccine - how big is his PPD induration

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29. What is fatal consequence of RMSF?






30. chshould we tx IM with abx (ampicilin) if throat cx is positive?






31. What is the prognosis of lyme arthritis?






32. reddish colored papules with central umbilication in HIV or immunocompromised patient






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






34. when HIV patient develop pcp?






35. How to differentiate different types of necrotizing fascitis?






36. INH






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






38. can HIV transmitted through human bite?






39. How to dx lyme arthritis?






40. When to tx influenza with antiviral therapy?






41. How to confirm dx if pcp?






42. how HAART therapy affects HIV viral loads?






43. What are the behavioral interventions decrease the risk of UTI






44. gas gangrene






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






46. HIV patient having fat deposition on back of neck and abdomen - like cushing






47. When to give prophylaxis against MAC






48. when we see echym gangrenosum?






49. dame that has already occurred






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