During fracture healing, osteoblasts produce a mass of spongy bone and convert the fibrocartilage to a bony callus. This describes the formation of the ...

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Prepare for the Skeletal System AandP Test. Study with flashcards and multiple choice questions, each question offers hints and explanations. Enhance your knowledge for an impressive exam performance.

Multiple Choice

During fracture healing, osteoblasts produce a mass of spongy bone and convert the fibrocartilage to a bony callus. This describes the formation of the ...

Explanation:
Formation of the hard (bony) callus is being described. After a fracture, osteoblasts lay down new bone and gradually replace the fibrocartilaginous soft callus with spongy bone, creating a solid bony bridge that stabilizes the fracture as healing continues. The initial step in healing is a hematoma forming at the break, and open or comminuted fractures refer to how the bone is broken (open meaning skin is breached; comminuted meaning multiple pieces), not the callus formation.

Formation of the hard (bony) callus is being described. After a fracture, osteoblasts lay down new bone and gradually replace the fibrocartilaginous soft callus with spongy bone, creating a solid bony bridge that stabilizes the fracture as healing continues. The initial step in healing is a hematoma forming at the break, and open or comminuted fractures refer to how the bone is broken (open meaning skin is breached; comminuted meaning multiple pieces), not the callus formation.

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