Osteomyelitis Classification and Mechanisms

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What is osteomyelitis?

Inflammation of the joints

Fracture of the bone

Infection of the bone and bone marrow (correct)

Infection of the soft tissues surrounding the bone

How is osteomyelitis classified based on duration?

Acute: less than 4 weeks, Subacute: 4-8 weeks, Chronic: more than 8 weeks

Acute: less than 1 week, Subacute: 1-3 weeks, Chronic: more than 3 weeks

Acute: less than 2 weeks, Subacute: 2-4 weeks, Chronic: more than 4 weeks

Acute: less than 2 weeks, Subacute: 2-6 weeks, Chronic: more than 6 weeks (correct)

What is the primary causative organism for osteomyelitis in children over one year of age?

Escherichia coli

Streptococcus agalactiae

Haemophilus influenzae

Staphylococcus aureus (correct)

What is the mechanism of hematogenous (blood-borne) spread of osteomyelitis?

Spread from other sites of infection, such as infected tonsils or teeth Signup and view all the answers

Which of the following factors affect the extent of osteomyelitis infection?

All of the above Signup and view all the answers

Which of the following is the most common organism isolated in infant and adult osteomyelitis?

Staphylococcus aureus Signup and view all the answers

Which of the following is NOT a reason why Staphylococcus aureus is the most common pathogen of osteomyelitis?

S. aureus is not a part of the normal skin flora. Signup and view all the answers

Which of the following is NOT a virulence factor of Staphylococcus aureus mentioned in the text?

Capsule formation Signup and view all the answers

Which of the following is NOT a typical symptom or sign of osteomyelitis mentioned in the text?

Nausea and vomiting Signup and view all the answers

Which of the following imaging techniques is NOT useful for detecting the extent of osteomyelitis infection?

Ultrasound Signup and view all the answers

Osteomyelitis Classification and Mechanisms

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Questions and Answers

What is osteomyelitis?

How is osteomyelitis classified based on duration?

What is the primary causative organism for osteomyelitis in children over one year of age?

What is the mechanism of hematogenous (blood-borne) spread of osteomyelitis?

Which of the following factors affect the extent of osteomyelitis infection?

Which of the following is the most common organism isolated in infant and adult osteomyelitis?

Which of the following is NOT a reason why Staphylococcus aureus is the most common pathogen of osteomyelitis?

Which of the following is NOT a virulence factor of Staphylococcus aureus mentioned in the text?

Which of the following is NOT a typical symptom or sign of osteomyelitis mentioned in the text?

Which of the following imaging techniques is NOT useful for detecting the extent of osteomyelitis infection?

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