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T3 L4: Principles of articulation (PB)
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T3 L4: Principles of articulation (PB)

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Questions and Answers

Which one of the following is a correct definition of articulation?

  • A point of contact between neighbouring bones (correct)
  • The Latin word for joint
  • A joining of bones and cartilage
  • A point of contact between bone and teeth

    • Which one of the following is a correct definition of joint?

  • The Latin word for joint
  • A joining of bones and cartilage (correct)
  • A point of contact between neighbouring bones
  • A point of contact between bone and teeth

    • Which one of the following is a correct classification of joints based on structure?

  • Glenohumeral, sternoclavicular, and acromioclavicular joints
  • Fibrous, cartilaginous, and synovial joints (correct)
  • Synarthrosis, amphiarthrosis, and diarthrosis joints
  • Suture, syndesmosis, and gomphosis joints

    • Which one of the following is a correct classification of joints based on function?

    <p>Synarthrosis, amphiarthrosis, and diarthrosis joints</p> Signup and view all the answers

    Which one of the following is a correct example of a fibrous joint?

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

    Which one of the following is a correct example of a synovial joint?

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

    Which one of the following is a correct example of a functional classification of joints?

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

    Which type of fibrous joint permits no movement and is formed by the fusion of skull bones?

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

    Which type of fibrous joint permits slight movement and is found between the tibia and fibula in the leg?

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

    Which type of fibrous joint binds adjacent long bones and is found between the radius and ulna in the forearm?

    <p>Interosseous membrane</p> Signup and view all the answers

    Which type of cartilaginous joint permits little or no movement and is formed by the fusion of the epiphysis, metaphysis, and epiphyseal plate?

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

    Which type of cartilaginous joint permits slight movement and is found in the midline of the body, such as the junction of the manubrium and sternum?

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

    Which type of joint has a synovial cavity between articulating bones and is freely movable?

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

    What is the function of synovial fluid in a synovial joint?

    <p>All of the above</p> Signup and view all the answers

    Which type of joint permits movement in a single axis, such as flexion and extension?

    <p>Hinge joint</p> Signup and view all the answers

    What is the name of the joint between the proximal humerus and the scapula, which is the most mobile joint in the body?

    <p>Glenohumeral joint</p> Signup and view all the answers

    Which type of joint permits movement around two axes, such as flexion and extension, and abduction and adduction?

    <p>Condyloid joint</p> Signup and view all the answers

    What is the name of the narrow rim of fibrocartilage that deepens the glenoid cavity in the glenohumeral joint?

    <p>Glenoid labrum</p> Signup and view all the answers

    Which type of joint permits movement around three planes, such as flexion and extension, abduction and adduction, and rotation?

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

    Which ligaments stabilize the glenohumeral joint?

    <p>Glenohumeral ligament, Coracohumeral ligament, Transverse humeral ligament</p> Signup and view all the answers

    Which muscles make up the rotator cuff muscles that join the scapula with the humerus in the glenohumeral joint?

    <p>Supraspinatus, Infraspinatus, Teres minor, Subscapularis</p> Signup and view all the answers

    Which type of joint is the acromioclavicular joint?

    <p>Gliding joint</p> Signup and view all the answers

    What bones are involved in the sternoclavicular joint?

    <p>Manubrium and first rib</p> Signup and view all the answers

    How many synovial cavities does the sternoclavicular joint have?

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

    Which ligaments stabilize the acromioclavicular joint?

    <p>Acromioclavicular and coracoclavicular ligaments</p> Signup and view all the answers

    What type of movement is possible at the sternoclavicular joint?

    <p>Triaxial movement</p> Signup and view all the answers

    Which joint allows greater arm rotation above the head?

    <p>Acromioclavicular joint</p> Signup and view all the answers

    Which ligament reinforces the sternoclavicular joint from the front?

    <p>Anterior sternoclavicular ligament</p> Signup and view all the answers

    What type of joint is the sternoclavicular joint?

    <p>Saddle joint</p> Signup and view all the answers

    Which ligament stabilizes the acromioclavicular joint from the back?

    <p>Posterior sternoclavicular ligament</p> Signup and view all the answers

    Which joint in the body is responsible for the lengthening of long bones during development?

    <p>Cartilaginous joint</p> Signup and view all the answers

    What is the Latin phrase for joints?

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

    Which joint classification is based on the joining of two regions or parts?

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

    What is the Greek word for joints?

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

    Which type of fibrous joint permits no movement and is formed by the fusion of skull bones?

    <p>Suture joint</p> Signup and view all the answers

    What is the name of the joint between the proximal humerus and the scapula, which is the most mobile joint in the body?

    <p>Glenohumeral joint</p> Signup and view all the answers

    Which bones in the body have growth plates?

    <p>Tibia, fibula, radius</p> Signup and view all the answers

    What type of movement is possible at the sternoclavicular joint?

    <p>Slight movement</p> Signup and view all the answers

    Which type of joint has a synovial cavity between articulating bones and is freely movable?

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

    At what age do growth plates typically fuse over?

    <p>18</p> Signup and view all the answers

    Which of the following statements about growth plates is true?

    <p>Growth plates in the same bone grow at different rates</p> Signup and view all the answers

    What happens to the growth plates when skeletal maturity is reached?

    <p>They become ossified</p> Signup and view all the answers

    Which type of cartilaginous joint permits no movement and is formed by the fusion of the epiphysis, metaphysis, and epiphyseal plate?

    <p>Symphysis joint</p> Signup and view all the answers

    What is the name of the joint between the proximal humerus and the scapula, which is the most mobile joint in the body?

    <p>Glenohumeral joint</p> Signup and view all the answers

    Which type of joint permits movement around three planes, such as flexion and extension, abduction and adduction, and rotation?

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

    What is the function of synovial fluid in a synovial joint?

    <p>To lubricate and nourish the joint</p> Signup and view all the answers

    Which type of joint is formed by the joining of two bone surfaces with a layer of articular cartilage on each surface?

    <p>Cartilaginous joint</p> Signup and view all the answers

    What is the function of articular cartilage in a cartilaginous joint?

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

    Which hormone is responsible for the loosening of ligaments, including the ligaments in the pubic symphysis, during pregnancy?

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

    What is the purpose of the widening of the pubic symphysis during pregnancy?

    <p>To provide space for the growing fetus</p> Signup and view all the answers

    Which one of the following is a correct example of a syndesmosis joint?

    <p>The joint between the anterior tibia and fibula</p> Signup and view all the answers

    Which one of the following is a correct definition of a suture joint?

    <p>A joint that permits slight movement and is formed by the fusion of skull bones</p> Signup and view all the answers

    Which one of the following is a correct example of a fibrous joint?

    <p>The joint between the left and right frontal bones</p> Signup and view all the answers

    Which one of the following is a correct example of a cartilaginous joint?

    <p>The joint between the radius and ulna</p> Signup and view all the answers

    Which type of joint allows for a greater degree of movement, but also increases the instability of the joint?

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

    What is the trade-off when it comes to synovial joints?

    <p>Mobility and stability</p> Signup and view all the answers

    What is the purpose of synovial fluid in a synovial joint?

    <p>To lubricate the joint</p> Signup and view all the answers

    Which type of joint permits movement in three planes, such as flexion and extension, abduction and adduction, and rotation?

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

    What is the function of the intervertebral discs in the body?

    <p>To absorb shock and allow for movement</p> Signup and view all the answers

    Which type of joint permits slight movement and is found in the midline of the body, such as the junction of the manubrium and sternum?

    <p>Cartilaginous joints</p> Signup and view all the answers

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