Joints, Tendons & Ligaments
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Questions and Answers

What is the function of the synovial fluid in synovial joints?

  • To produce a filtrate of blood
  • To detect pain and monitor stretch
  • To provide a rich blood supply to the joints
  • To nourish cartilage and act as a lubricant (correct)

    • What type of joints have a short periodontal ligament and only one example, which is a tooth within its socket?

  • Gomphoses (correct)
  • Synchondroses
  • Cartilagenous joints
  • Synovial joints

    • What is the primary function of the articular capsule in synovial joints?

  • To provide a rich blood supply to the joints
  • To detect pain and monitor stretch
  • To cover and protect the ends of the articulating bones (correct)
  • To produce a filtrate of blood

    • What is the main component of the articular capsule?

    <p>Dense irregular connective tissue</p> Signup and view all the answers

    What is the main function of articular cartilage in synovial joints?

    <p>To reduce friction</p> Signup and view all the answers

    What is the function of the nerves in synovial joints?

    <p>To detect pain and monitor stretch</p> Signup and view all the answers

    What type of joints are slightly movable and have fibrocartilage uniting the bones?

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

    What is the term for joints that are freely movable?

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

    What is the primary function of the synovial membrane?

    <p>To make synovial fluid</p> Signup and view all the answers

    What type of tissue covers the ends of the articulating bones in synovial joints?

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

    What is the term for joints that are united by hyaline cartilage and are immovable?

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

    What type of connective tissue makes up the outer layer of the articular capsule?

    <p>Dense irregular connective tissue</p> Signup and view all the answers

    What is the function of spongy cushions in synovial joints?

    <p>To absorb compression</p> Signup and view all the answers

    What is the term for the fluid-filled space within a synovial joint?

    <p>Joint cavity</p> Signup and view all the answers

    What is the primary function of tendons in the human body?

    <p>To connect muscles to bones</p> Signup and view all the answers

    What is the characteristic of cartilage that allows it to withstand mechanical stress?

    <p>Its viscoelastic properties</p> Signup and view all the answers

    What is the term for the site where two or more bones or other skeletal components are joined together?

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

    What is the primary function of ligaments in the human body?

    <p>To connect bones to each other</p> Signup and view all the answers

    What is the characteristic of synovial joints that allows for smooth movement?

    <p>The presence of synovial fluid</p> Signup and view all the answers

    What is the term for the fibrous band of connective tissue that connects bones and other connective tissues together at joints?

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

    What is the characteristic of proteoglycans in cartilage that allows for its unique properties?

    <p>Their ability to absorb water</p> Signup and view all the answers

    What is the function of the synovial membrane?

    <p>To secrete the lubrication fluid synovial fluid</p> Signup and view all the answers

    What is the main difference between tendons and ligaments?

    <p>Tendons connect muscle to bone, while ligaments connect bone to bone</p> Signup and view all the answers

    What is the composition of cartilage?

    <p>Avascular and not innervated, with one cell type (chondrocyte)</p> Signup and view all the answers

    What is the function of extrinsic ligaments?

    <p>To support the joint and connect the articulating bones</p> Signup and view all the answers

    What is the percentage of type I collagen in tendons?

    <p>95-99%</p> Signup and view all the answers

    What is the name of the type of cartilage found in the epiglottis, larynx, and pinna?

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

    What is the name of the joint where fibrous cartilage is found?

    <p>TMJ (Temporomandibular joint)</p> Signup and view all the answers

    What is unique about the character of the TMJ condylar cartilage?

    <p>It has both fibrocartilaginous and hyaline-like character.</p> Signup and view all the answers

    What surrounds the head and neck of the condyloid process?

    <p>The fibrous capsule</p> Signup and view all the answers

    What is the term for the region of the joint cavity below the articular disc?

    <p>Not specified in the text</p> Signup and view all the answers

    What is the result of the degeneration of the articular disc?

    <p>Joint instability and dislocation</p> Signup and view all the answers

    What is the function of the post-glenoid process?

    <p>Not specified in the text</p> Signup and view all the answers

    What is the composition of the articular disc?

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

    What is the effect of mechanical stress on the articular disc?

    <p>It leads to the degeneration of the disc</p> Signup and view all the answers

    What is the boundary between the fibrocartilaginous and hyaline-like zones of the TMJ condylar cartilage?

    <p>A thin proliferative zone</p> Signup and view all the answers

    What is the primary function of the articular eminence?

    <p>Not specified in the text</p> Signup and view all the answers

    Which of the following ligaments tightens with protraction of the mandible?

    <p>Sphenomandibular ligament</p> Signup and view all the answers

    What is the attachment site of the lower division of the disc in the TMJ?

    <p>Condylar neck</p> Signup and view all the answers

    Which muscle produces a gliding motion in the upper synovial cavity?

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

    What is the origin of the Medial Pterygoid muscle?

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

    What is the nerve supply of the muscles of mastication?

    <p>Mandibular division of cranial nerve V</p> Signup and view all the answers

    What is the function of the Lateral Pterygoid muscle?

    <p>Depresses, protracts, and laterally moves the mandible</p> Signup and view all the answers

    What is the type of joint that the TMJ is classified as?

    <p>Ball and socket joint</p> Signup and view all the answers

    Which ligament prevents excessive retraction of the mandible?

    <p>TMJ ligament</p> Signup and view all the answers

    What is the attachment site of the upper division of the disc in the TMJ?

    <p>Post-glenoid process</p> Signup and view all the answers

    Which muscle is the strongest of the four muscles of mastication?

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

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