Bone Growth and Remodeling Process

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Which process involves the formation of bone through the deposition of osteoid tissue by osteoblasts on a mesenchymal surface?

Trabecular ossification

Periosteal ossification

Intramembranous ossification (correct)

Endochondral ossification

What is the characteristic of the bone formed through intramembranous ossification?

Production of long bones like femur

Presence of a marrow cavity

Conversion of spongy bone to compact bone

Formation of spongy bone first (correct)

During endochondral ossification, what is the main role of the trabeculae?

Conversion to fibrous periosteum

Formation of the marrow cavity

Entrapment of osteocytes

Creation of spongy bone (correct)

Which type of bone formation process leads to the production of flat bones like the skull and clavicle?

Intramembranous ossification Signup and view all the answers

What is the function of osteoblasts in bone development?

Bone formation Signup and view all the answers

Which structure is involved in perpetuating spongy bone formation in the middle layer during intramembranous ossification?

Osteocytes Signup and view all the answers

Which structure is responsible for bone elongation in childhood and adolescence?

Metaphysis Signup and view all the answers

What type of bone tissue is primarily found in the epiphyses of long bones during infancy and childhood?

Spongy bone Signup and view all the answers

Which part of a child's bone has an enlarged primary marrow cavity and a distal secondary marrow cavity appearance?

Metaphysis Signup and view all the answers

In which type of bone formation, vascular invasion occurs leading to the formation of primary and secondary marrow cavities?

Endochondral ossification Signup and view all the answers

During adulthood, which structure in bones closes to signal the end of bone growth and elongation?

Epiphyseal plate Signup and view all the answers

Which part of the bone contains a single marrow cavity in adult bones?

Diaphysis Signup and view all the answers

What is the function of epiphyseal plates in bones?

Allow for bone growth in length Signup and view all the answers

Which cells are responsible for laying down new bone matrix in layers parallel to the bone surface?

Osteoblasts Signup and view all the answers

Abnormal calcification may occur in all of the following locations EXCEPT:

Heart Signup and view all the answers

Which enzyme is responsible for digesting collagen during mineral resorption in bones?

Acid phosphatase Signup and view all the answers

What is the normal calcium concentration in blood plasma?

9.2 to 10.4 mg/dL Signup and view all the answers

Which hormone is primarily responsible for stimulating calcium resorption from bone?

Parathyroid hormone Signup and view all the answers

In which bone growth process do bones increase in width throughout life?

Appositional growth Signup and view all the answers

'Wolff's law' states that:

'Bone density determined by mechanical stresses' Signup and view all the answers

What is the primary function of mineral resorption in bones?

To release minerals into the blood Signup and view all the answers

Which component of bone plays a critical role in neuron communication?

Calcium Signup and view all the answers