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Introduction to Joints quiz #2

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  • What part of the radius articulates with the humerus?
    The head of the radius
  • What is the name of the connective tissue membrane found lining the joint cavities?
    Synovial membrane
  • The epiphyseal plate in a growing bone is an example of what type of joint?
    A synchondrosis, which is a type of cartilaginous joint
  • Which of the following bones is a carpal bone? a) Scaphoid b) Talus c) Calcaneus d) Navicular
    a) Scaphoid
  • In a ball and socket shoulder joint, which bones are involved?
    The humerus and the scapula
  • Each wrist contains how many carpal bones?
    Eight
  • What part of the humerus articulates with the scapula to form the shoulder joint?
    The head of the humerus
  • What is a joint, and what are its alternative names?
    A joint is a contact point between two or more bones, or between a bone and a tooth. It is also known as an articulation or an arthrosis.
  • How does the relationship between joint mobility and stability work?
    Joint mobility and stability are inversely related; greater mobility means less stability, and greater stability means less mobility.
  • What structures can be found in or around joints?
    Joints may contain cartilage (such as hyaline or fibrocartilage), ligaments, tendons, and muscles.
  • What is the functional classification of joints based on?
    Functional classification of joints is based on the amount of movement they allow.
  • What is a synarthrosis joint?
    A synarthrosis is an immovable joint that does not allow any movement.
  • What is a diarthrosis joint?
    A diarthrosis is a freely movable joint that allows for a wide range of movement.
  • What are examples of fibrous joints?
    Examples of fibrous joints include sutures, gomphoses, and syndesmoses.
  • What is a synovial joint?
    A synovial joint is a type of joint that allows for dynamic, free movement and is always classified as a diarthrosis.
  • Which structural class of joint includes sutures, gomphoses, and syndesmoses?
    Fibrous joints include sutures, gomphoses, and syndesmoses.
  • Which type of fibrous joint is classified as an amphiarthrosis?
    Syndesmoses are fibrous joints classified as amphiarthroses (slightly movable).
  • Which type of cartilaginous joint is classified as an amphiarthrosis?
    Symphyses are cartilaginous joints classified as amphiarthroses (slightly movable).
  • What is the function of ligaments in joints?
    Ligaments connect bone to bone and help stabilize joints.
  • What is the difference between a ligament and a tendon?
    Ligaments connect bone to bone, while tendons connect muscle to bone.
  • Why are teeth not considered bones?
    Teeth are not considered bones because they have a different composition.
  • Which joint is an example of a highly stable but less mobile joint?
    The tooth-to-bone (gomphosis) joint is highly stable but less mobile.
  • What is the role of cartilage in joints?
    Cartilage provides cushioning and reduces friction between bones at joints.
  • What is a suture joint?
    A suture is a type of fibrous joint found between bones of the skull, classified as a synarthrosis (immovable).
  • What is a syndesmosis joint?
    A syndesmosis is a fibrous joint where bones are connected by a ligament, allowing slight movement (amphiarthrosis).
  • What is a symphysis joint?
    A symphysis is a cartilaginous joint where bones are joined by fibrocartilage, allowing slight movement (amphiarthrosis).
  • What is the function of synovial fluid?
    Synovial fluid lubricates the joint, reducing friction and allowing smooth movement.
  • What is the main function of amphiarthroses?
    Amphiarthroses provide limited movement while maintaining some stability.
  • What is the main function of diarthroses?
    Diarthroses allow for dynamic, free movement between bones.
  • What is the significance of the map or table of contents in the lesson on joints?
    The map serves as a guide to the functional and structural classes of joints, helping organize and navigate the lesson content.
  • What is the difference between a bone-to-bone and a bone-to-tooth joint?
    Bone-to-bone joints connect two bones, while bone-to-tooth joints connect a bone to a tooth; both are considered joints.
  • What is the importance of joint mobility?
    Joint mobility is important for allowing movement and flexibility in the skeleton.
  • What is an example of a freely movable joint?
    The shoulder joint is an example of a freely movable joint (diarthrosis).
  • What is the function of fibrocartilage in joints?
    Fibrocartilage provides strength and shock absorption in joints such as symphyses.
  • What is the difference between a plane joint and a ball-and-socket joint?
    A plane joint allows gliding movements, while a ball-and-socket joint allows movement in multiple directions, including rotation.
  • What is the function of the finger joints?
    Finger joints allow flexion and extension, enabling hand movement and dexterity.
  • What is the function of the knee joint?
    The knee joint allows flexion and extension of the leg, supporting walking and running.
  • What is the function of the elbow joint?
    The elbow joint allows flexion and extension of the forearm.
  • What is the function of the vertebral joints?
    Vertebral joints allow flexibility and movement of the spine while protecting the spinal cord.
  • What is the function of the interphalangeal joints?
    Interphalangeal joints allow bending and straightening of the fingers and toes.