Osteomyelitis: Anatomy, Classification, and Duration
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Questions and Answers

What is the primary cause of osteomyelitis?

  • Bacterial infection (correct)
  • Parasitic infection
  • Viral infection
  • Fungal infection

Which classification is based on the duration of the disease?

  • Sub-acute
  • Acute
  • Persistent
  • Chronic (correct)

What is the typical bone involvement in osteomyelitis caused by hematogenous route of infection?

  • Femur and tibia in children, vertebra in the elderly (correct)
  • Adjacent to soft-tissue infection
  • Lower extremities
  • Bones affected by trauma or surgery

What is the main route of infection for osteomyelitis caused by vascular insufficiency?

<p>Contiguous with vascular insufficiency (C)</p> Signup and view all the answers

What is the duration threshold that distinguishes chronic osteomyelitis from acute osteomyelitis?

<p>&gt; 2 months (C)</p> Signup and view all the answers

Which microorganism is most commonly implicated in causing osteomyelitis?

<p>Staphylococcus aureus (C)</p> Signup and view all the answers

What is the most common cause of venous insufficiency?

<p>Blood clots (D)</p> Signup and view all the answers

In which age range is venous insufficiency more likely to occur in men?

<p>40-49 (D)</p> Signup and view all the answers

What is a common risk factor for venous insufficiency?

<p>Inactivity (sitting or standing) (B)</p> Signup and view all the answers

What is the most common type of osteomyelitis in children?

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

Which pathogen is predominantly seen in all types of osteomyelitis?

<p>S. aureus (A)</p> Signup and view all the answers

What is the common pathogen seen in osteomyelitis associated with diabetes and/or peripheral vascular disease?

<p>MRSA, pseudomonas, enterococcus, and enterobacteriace (C)</p> Signup and view all the answers

What is the common pathogen seen in osteomyelitis associated with IV drug users?

<p>(Pseudomonas aeruginosa and MRSA) (A)</p> Signup and view all the answers

What type of infection may lead to E-coli osteomyelitis in the elderly?

<p>Urinary tract infection (UTI) (D)</p> Signup and view all the answers

What pathogen is tranlocated from the gastrointestinal tract to seed in the bones of sickle cell patients?

<p>(Salmonella) (D)</p> Signup and view all the answers

'In which age group is hematogenous osteomyelitis most common?'

<p>Children (B)</p> Signup and view all the answers

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