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Bone Fracture Repair

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Questions and Answers

What type of tissue is produced in the initial stage of bone repair?

Fibrous tissue

Cartilagelike tissue

Fibrocartilagelike tissue (correct)

Osseous tissue

Which type of cells are activated during bone repair?

Osteoclasts

Chondrocytes

Osteoblasts

Periosteal fibroblasts (correct)

What is the primary function of periosteal fibroblasts in bone repair?

To resorb bone tissue

To lay down new bone tissue

To produce bone matrix

To produce an initial soft callus (correct)

What is the composition of the initial soft callus in bone repair?

Fibrocartilagelike tissue Signup and view all the answers

What triggers the production of the initial soft callus in bone repair?

Bone fracture Signup and view all the answers

What is the primary function of bone remodeling in compact bone?

To replace old osteons with new ones Signup and view all the answers

Which cells invade the tunnels in compact bone during remodeling?

Osteoprogenitor cells from the endosteum or periosteum Signup and view all the answers

What is the function of osteoblasts in bone remodeling?

To secrete osteoid and form new bone tissue Signup and view all the answers

What is the structure formed by osteoblasts during bone remodeling?

Osteon Signup and view all the answers

What is the pattern of bone secretion by osteoblasts during remodeling?

Cyclic Signup and view all the answers

What is the primary mechanism of bone growth and repair?

Continuous turnover of cells and matrix by osteoblasts and osteoclasts Signup and view all the answers

What occurs throughout life in bones?

Bone growth and repair Signup and view all the answers

Which of the following cells is involved in bone growth and repair?

Osteoblasts and osteoclasts Signup and view all the answers

What is the term for the process by which bones are reshaped and replaced?

Bone remodeling Signup and view all the answers

Which of the following is a function of osteoblasts?

Building new bone tissue Signup and view all the answers