Bone Tissue and Skeleton Functionality
30 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main constituent of the skeleton?

  • Muscles
  • Soft tissues
  • Bone tissue (correct)
  • Vital organs
  • Which component is responsible for bone consistency and hardness?

  • Endosteum
  • Bone marrow
  • Inorganic matrix (correct)
  • Periosteum
  • What covers the external surface of bones?

  • Bone marrow
  • Endosteum
  • Bone matrix
  • Periosteum (correct)
  • What is the function of bone marrow?

    <p>Hematopoietic organ</p> Signup and view all the answers

    What percentage of the bone matrix's dry weight is made up of minerals?

    <p>65%</p> Signup and view all the answers

    Which component forms a specialized connective tissue containing osteogenic cells and osteoblasts?

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

    What is responsible for degrading cartilage remnants and expanding the medullary cavity?

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

    What process occurs at the ends of the bone, similar to that of the primary center but without a bone collar?

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

    What type of bone development overcomes resorption during growth?

    <p>Bone remodeling</p> Signup and view all the answers

    What stops proliferating at around 20 years of age, leading to the cessation of longitudinal bone growth?

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

    Which part of the long bones is mainly composed of trabeculae and contains bone marrow?

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

    What forms the articular surface and the place where tendons and ligaments are inserted in all types of bones?

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

    What is responsible for bone repair by forming a bone collar and eventually replacing cartilage with bone after a fracture?

    <p>Osteoprogenitor cells</p> Signup and view all the answers

    Which type of articulation has no movement or minimal movement?

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

    What is responsible for inhibiting osteoclasts when there is excess calcium in the blood?

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

    Which part of the long bones contains a channel that carries vessels and nerves called the Havers channel?

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

    What is formed by a plasma filtrate, nourishes the chondrocytes of the articular cartilage, and lubricates the articulation?

    <p>Synovial fluid</p> Signup and view all the answers

    What forms a dense connective layer that seals the capsule of diarthrosis articulations?

    <p>Fibrous layer</p> Signup and view all the answers

    What gives hardness to the bone?

    <p>Hydroxyapatite crystals</p> Signup and view all the answers

    What happens if we decalcify the bone so that only the fibers remain?

    <p>The bone will become soft and flexible</p> Signup and view all the answers

    Which component of the bone matrix constitutes approximately 35% of the dry weight of the bone?

    <p>Type I collagen</p> Signup and view all the answers

    What is the role of osteoblasts?

    <p>Secrete substances necessary for maintenance of the matrix</p> Signup and view all the answers

    What is the function of osteocytes?

    <p>Secrete substances necessary for maintenance of the matrix</p> Signup and view all the answers

    What happens during bone resorption?

    <p>Osteoclasts break down bone tissue and release minerals into the blood</p> Signup and view all the answers

    How is primary bone replaced?

    <p>Through intramembranous ossification</p> Signup and view all the answers

    What is the function of osteoclasts?

    <p>Resorb bone tissue</p> Signup and view all the answers

    What is found in the clear zone of an active osteoclast?

    <p>Filaments of actin</p> Signup and view all the answers

    Which method forms most long and short bones?

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

    What happens to chondrocytes in endochondral ossification?

    <p>They become hypertrophied and die by apoptosis</p> Signup and view all the answers

    Which cells differentiate into osteoblasts in endochondral ossification?

    <p>Osteoprogenitor cells within the bone septa</p> Signup and view all the answers

    More Like This

    Skeletal System Functions and Major Bones Quiz
    6 questions
     Funciones del Tejido Óseo
    11 questions
    Bone Tissue and Skeleton Functions
    28 questions
    Use Quizgecko on...
    Browser
    Browser