The Correct Answer is A!

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A 65-year-old man is awaiting dental examination with a possible dental extraction. His history is noteworthy for coronary artery disease, hypertension, osteoarthritis, and total knee arthroplasty performed 3 years ago. He has no known drug allergies. Physical examination is unremarkable apart from well-healed scar of the left knee. 

Which of the following is the best choice for prevention of prosthetic joint infection in this patient?

  1. No prophylaxis needed
  2. Doxycycline
  3. Clindamycin
  4. Amoxicillin

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1.  Source: "Comparative Analysis of Pre/Post Assessments of Live/Didactic Course Attendees when compared to Mico-Learning/Online Course Users., "Knowledge to Practice, 2017.