Classification of Bones and Gross Anatomy
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Questions and Answers

Which type of bone tissue is dense and looks smooth and homogeneous?

  • Short bone
  • Spongy bone
  • Long bone
  • Compact bone (correct)
  • Where does blood cell formation, hematopoiesis, occur in the human body?

  • Within the marrow cavities of certain bones (correct)
  • In the brain
  • In the lungs
  • In the liver
  • Which bones are typically longer than wide and have a shaft with heads at both ends?

  • Flat bones
  • Long bones (correct)
  • Irregular bones
  • Short bones
  • What are examples of long bones in the human body?

    <p>Humerus, femur, radius</p> Signup and view all the answers

    Which bones are generally cube-shaped and contain mostly spongy bone tissue?

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

    What is the function of spongy bone in the skeletal system?

    <p>Facilitate blood cell formation</p> Signup and view all the answers

    What distinguishes compact bone from spongy bone?

    <p>Looks smooth and homogeneous</p> Signup and view all the answers

    Which type of bone is classified as having an irregular shape and does not fit into other bone classification categories?

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

    What is the function of the medullary cavity in a long bone?

    <p>Storage area for adipose tissue</p> Signup and view all the answers

    Which part of a long bone is composed mostly of a thin layer of spongy bone and articulates with other bones?

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

    What is the function of Sharpey's fibers in a long bone?

    <p>Secures periosteum to underlying bone</p> Signup and view all the answers

    Which classification of bones includes examples like the skull, ribs, and sternum?

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

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

    <p>Storage area for adipose tissue</p> Signup and view all the answers

    Which part of a long bone makes up the bone's length and is mainly composed of compact bone?

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

    What covers the external surface of the epiphyses and provides a smooth and slippery surface for joint movement?

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

    What is the primary function of osteoclasts in bone tissue?

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

    Which type of cell is responsible for bone formation in the skeletal system?

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

    What is the function of epiphyseal plates in long bones during childhood?

    <p>To allow for longitudinal bone growth</p> Signup and view all the answers

    Which part of the human skeleton is primarily composed of hyaline cartilage in embryos?

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

    What is the function of canaliculi in bone tissue?

    <p>Connect all bone cells to nutrient supply</p> Signup and view all the answers

    Which category of bone marking includes projections that grow out from the bone surface?

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

    Where are osteons (Haversian systems) found in bone tissue?

    <p>Around the central canal</p> Signup and view all the answers

    'Bone remodeling' is a process primarily carried out by which types of cells?

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

    What is the main function of bones in the body as described in the text?

    <p>Protection of internal organs</p> Signup and view all the answers

    How many bones are there in the axial skeleton according to the text?

    <p>80 bones</p> Signup and view all the answers

    Which of the following is NOT a part of the skeletal system mentioned in the text?

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

    How are the 206 bones in the skeletal system divided according to the text?

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

    Which of the following is a major anatomical area of a long bone discussed in the text?

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

    What role do bone salts play in bone structure as per the text?

    <p>Providing hardness and resistance to compression</p> Signup and view all the answers

    Which bone formation process involves the replacement of pre-existing connective tissue with bone tissue?

    <p>Endochondral ossification</p> Signup and view all the answers

    What is the main function of the rib cage as described in the text?

    <p>Facilitating breathing by protecting the lungs</p> Signup and view all the answers

    Which of the following situations does bone formation NOT occur in?

    <p>When muscles contract</p> Signup and view all the answers

    Which bone is correctly matched with its location?

    <p>Flat bone - cranium</p> Signup and view all the answers

    What connects neighboring osteocytes in an osteon?

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

    Which organelle is prominent in osteoclasts?

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

    Which process causes bones to thicken?

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

    What is the function of osteoblasts in bone formation?

    <p>Secrete new bone matrix</p> Signup and view all the answers

    Which type of bone is the sternum classified as?

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

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