Bone Cells and Composition Quiz

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Questions and Answers

What type of bone is the femur classified as?

  • Long bone (correct)
  • Irregular bone
  • Short bone
  • Flat bone

Which bone classification includes bones that are generally cube-shaped and contain mostly spongy bone?

  • Irregular bones
  • Flat bones
  • Short bones (correct)
  • Sesamoid bones

What is the primary function of the periosteum in bones?

  • Secures periosteum to underlying bone
  • Contain osteoblasts and osteoclasts (correct)
  • Serve as an insertion for tendons and ligaments
  • Decrease surface friction

What is the purpose of the articular cartilage in bones?

<p>Decreases surface friction (C)</p> Signup and view all the answers

Which part of a long bone is responsible for lengthwise growth in children?

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

Which type of bone cells are responsible for repairing and forming bone tissue?

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

What is the main difference between compact bone and spongy bone?

<p>Compact bone has a homogeneous structure with dense concentric circles of osseous tissue, while spongy bone has poorly organized trabeculae with open spaces. (A)</p> Signup and view all the answers

What is the function of osteoprogenitor cells in bone tissue?

<p>Undergo mitosis and differentiate into osteoblasts (D)</p> Signup and view all the answers

What is the primary organic component found in bones?

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

Which type of cartilage is the most common and found at the ends of bones, in joints, and soft parts of the body?

<p>Hyaline cartilage (D)</p> Signup and view all the answers

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

<p>To provide structural support and protection for vital organs (A)</p> Signup and view all the answers

What is the role of canaliculi in compact bone?

<p>Connect lacunae together to facilitate nutrient exchange (B)</p> Signup and view all the answers

Which bone cell is responsible for bone reabsorption?

<p>Osteoclasts (D)</p> Signup and view all the answers

What is the primary mineral component of bone that gives it hardness and compression strength?

<p>Calcium phosphate (D)</p> Signup and view all the answers

Where does hematopoiesis (blood cell formation) primarily occur in adults?

<p>Spongy bones of the skull (C)</p> Signup and view all the answers

Which bone function involves skeletal muscles attached to bones working in opposition to cause movement?

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

Which component of bone primarily provides its tensile strength and flexibility?

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

Which harmful mineral can be stored in bones among others like lead and radium?

<p>Strontium (D)</p> Signup and view all the answers

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