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Osteomyelitis Quiz

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Questions and Answers

Why are the metaphysis of long bones commonly affected in children with osteomyelitis?

They are actively growing and highly vascular (correct)

They are more prone to trauma

They have a lower resistance to infection

They have a higher concentration of bacteria

What is the most common organism responsible for acute hematogenous osteomyelitis?

Streptococci

Staphylococcus aureus (correct)

Pseudomonas aeruginosa

E. coli

What is the primary cause of bone necrosis in hematogenous osteomyelitis?

Direct extension from an adjacent focus

Bacterial toxins

Ischemia caused by inflammatory thrombosis and pressure by exudates (correct)

Periosteal elevation causing stretching of cortical blood vessels

Why are the vertebral bodies commonly affected by osteomyelitis in adults?

Their veins are wide, leading to slowing of the blood stream and stasis of bacteria Signup and view all the answers

What is the primary mode of spread of infection in hematogenous osteomyelitis?

Through the medullary cavity Signup and view all the answers

What is the primary age group affected by acute hematogenous osteomyelitis?

Children due to high vascularity of growing bone Signup and view all the answers

What is the most common organism responsible for acute hematogenous osteomyelitis?

Staphylococcus aureus in children and adults Signup and view all the answers

Why are the metaphysis of long bones commonly affected in children with osteomyelitis?

Actively growing and highly vascular Signup and view all the answers

What is the primary mode of spread of infection in hematogenous osteomyelitis?

Through the medullary cavity Signup and view all the answers

What causes the inflamed bone to become necrotic in hematogenous osteomyelitis?

Ischemia caused by inflammatory thrombosis Signup and view all the answers

Osteomyelitis Quiz

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Podcast

Questions and Answers

Why are the metaphysis of long bones commonly affected in children with osteomyelitis?

What is the most common organism responsible for acute hematogenous osteomyelitis?

What is the primary cause of bone necrosis in hematogenous osteomyelitis?

Why are the vertebral bodies commonly affected by osteomyelitis in adults?

What is the primary mode of spread of infection in hematogenous osteomyelitis?

What is the primary age group affected by acute hematogenous osteomyelitis?

What is the most common organism responsible for acute hematogenous osteomyelitis?

Why are the metaphysis of long bones commonly affected in children with osteomyelitis?

What is the primary mode of spread of infection in hematogenous osteomyelitis?

What causes the inflamed bone to become necrotic in hematogenous osteomyelitis?

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