Dengue Fever in Children — Topic Test
20 questions · exam mode (answers revealed at the end). 18 min suggested.
A 4-year-old child presents with fever, refusal to bear weight on the right leg and a tender, warm, swollen distal femoral metaphysis. Blood culture grows Staphylococcus aureus and magnetic resonance imaging confirms acute osteomyelitis. Why is the metaphysis of long bones the characteristic site of haematogenous osteomyelitis in children?
ASluggish blood flow in metaphyseal sinusoidal capillary loops
BPresence of abundant red marrow with high oxygen tension
CDirect communication of metaphysis with the joint space
DAbsence of periosteum over the metaphysis