Human Anatomy & Physiology Ch.5: The Skeletal System

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Questions and Answers

What are the two main divisions of the skeletal system?

  • Upper and lower skeleton
  • Axial and appendicular skeleton (correct)
  • Vertebral and pelvic skeleton
  • Cranial and facial skeleton

Which function describes bones as 'steel girders and reinforced concrete of the body'?

  • Production of blood cells
  • Protection of internal organs
  • Storage of minerals
  • Support of the body (correct)

What are the major anatomical areas of a long bone?

  • Diaphysis, epiphysis, metaphysis (correct)
  • Femur, tibia, fibula
  • Ulna, radius, humerus
  • Cranium, mandible, ribs

What is the role of bone salts and the organic matrix in bone structure?

<p>Provide flexibility and tensile strength (C)</p> Signup and view all the answers

Briefly describe the process of bone formation and remodeling.

<p>Ossification is the formation of new bone tissue, while remodeling involves reshaping existing bones. (A)</p> Signup and view all the answers

Which classification includes bones that act as pillars to support the body trunk when standing?

<p>Long bones (A)</p> Signup and view all the answers

What is the main function of bones in the human body?

<p>All of the above (D)</p> Signup and view all the answers

Which bone classification is generally cube-shaped?

<p>Short bones (C)</p> Signup and view all the answers

Where does blood cell formation primarily occur in bones?

<p>Within the marrow cavities (C)</p> Signup and view all the answers

Which type of bone tissue looks smooth and homogeneous?

<p>Compact bone (A)</p> Signup and view all the answers

What is the main function of the rib cage in relation to bones?

<p>Protection of vital organs like the heart and lungs (D)</p> Signup and view all the answers

Which classification of bones is typically longer than wide?

<p>Long bones (B)</p> Signup and view all the answers

What is the function of osteoclasts in bone tissue?

<p>Destroying bone matrix for remodeling (C)</p> Signup and view all the answers

Which part of a long bone allows for growth during childhood?

<p>Epiphyseal plate (C)</p> Signup and view all the answers

What is the main process responsible for bone formation?

<p>Ossification (B)</p> Signup and view all the answers

Where are osteocytes, mature bone cells, located?

<p>In concentric circles around the central canal (B)</p> Signup and view all the answers

What is the primary function of osteoblasts in bone tissue?

<p>Forming new bone tissue (C)</p> Signup and view all the answers

Which part of the skeleton primarily remains as hyaline cartilage in adults?

<p>Bridge of the nose (C)</p> Signup and view all the answers

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