How much do you know about Osteomyelitis?
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Questions and Answers

Which type of organisms can produce osteomyelitis?

  • Only parasites
  • Only viruses
  • Only bacteria
  • All of the above (correct)

What is the most common cause of osteomyelitis?

  • Parasites
  • Viruses
  • Fungi
  • Mycobacteria and pyogenic bacteria (correct)

Can osteomyelitis only manifest as a primary solitary focus of disease?

  • Yes
  • It depends on the type of infection
  • It depends on the type of organism
  • No (correct)

What is the most common cause of osteonecrosis?

<p>Unknown causes (C)</p> Signup and view all the answers

What age range does osteonecrosis typically peak in?

<p>30s to 50s (C)</p> Signup and view all the answers

What are the three suspected mechanisms causing osteonecrosis?

<p>Mechanical disruption of vessels, thrombotic occlusion, and extravascular compression (A)</p> Signup and view all the answers

What is the main difference between medullary and subchondral infarcts?

<p>Medullary infarcts involve the trabecular bone and marrow, while subchondral infarcts involve a triangular or wedge-shaped segment of tissue with subchondral bone plate as its base (A)</p> Signup and view all the answers

What happens to the overlying articular cartilage in subchondral infarcts?

<p>It remains viable as it can access nutrients that are present in synovial fluid (D)</p> Signup and view all the answers

What happens to the necrotic trabeculae in the healing response of subchondral infarcts?

<p>Osteoclasts resorb them (B)</p> Signup and view all the answers

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