Human Skeletal System: Axial & Appendicular Bones Quiz
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Questions and Answers

What are the tiny cavities in bones called?

  • Osteoclasts
  • Haversian canals
  • Osteocytes
  • Lacunae (correct)
  • Which cells are responsible for bone resorption?

  • Calcitonin cells
  • Parathyroid cells
  • Osteoblasts
  • Osteoclasts (correct)
  • What hormone is responsible for bone deposition?

  • Parathyroid hormone
  • Calcitonin (correct)
  • Adrenaline
  • Thyroxine
  • Which part of the skeleton includes the skull and vertebral column?

    <p>Axial skeleton</p> Signup and view all the answers

    What is the function of the vertebral column?

    <p>Serve as the main stiffening axis</p> Signup and view all the answers

    How have the number of skull bones changed over evolution?

    <p>Reduced from early fishes to mammals</p> Signup and view all the answers

    What is the function of the periosteum?

    <p>Supply bone cells with nutrients</p> Signup and view all the answers

    Which bone classification category do vertebrae and hip bones belong to?

    <p>Irregular bones</p> Signup and view all the answers

    What is the composition of the epiphysis in a long bone?

    <p>Composed mostly of spongy bone</p> Signup and view all the answers

    Which part of the bone is responsible for causing the bone to grow, repair, and remodel throughout life?

    <p>Endosteum</p> Signup and view all the answers

    What is the main function of the axial skeleton?

    <p>Support of the body</p> Signup and view all the answers

    Which bone type has a shaft with heads at both ends?

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

    Which of the following is NOT a function of the periosteum?

    <p>Producing red blood cells</p> Signup and view all the answers

    Which of the following structures is made of hyaline cartilage and covers the external surface of the epiphyses of a long bone?

    <p>Articular cartilage</p> Signup and view all the answers

    What is the primary function of the medullary cavity in adults?

    <p>Store yellow marrow (mostly fat)</p> Signup and view all the answers

    Which of the following structures is part of the axial skeleton and encloses and protects the brain, meninges, and cerebral vasculature?

    <p>Cranium</p> Signup and view all the answers

    What are the fibrous membranes connecting the cranial bones in a fetal skull called?

    <p>Fontanelles</p> Signup and view all the answers

    What are the air-filled spaces located within the bones of the skull and facial bones called?

    <p>Paranasal sinuses</p> Signup and view all the answers

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