Mastering A and P Chapter 8 Flashcards
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Questions and Answers

Synovial joints are classified functionally as:

  • Diarthroses (correct)
  • Amphiarthroses
  • Synostoses
  • Synarthroses
  • An immovable joint is a(n):

  • Symphysis
  • Amphiarthrosis
  • Syndesmosis
  • Synarthrosis (correct)
  • Diarthrosis
  • A slightly movable joint is a(n):

  • Gomphosis
  • Diarthrosis
  • Synostosis
  • Synarthrosis
  • Amphiarthrosis (correct)
  • A freely movable joint is a(n):

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

    A suture is an example of a(n):

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

    Dense connective tissue is to a suture as a periodontal ligament is to a(n):

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

    Which of the following is one of the four major types of synarthrotic joints?

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

    Joints can be classified structurally as:

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

    The location where two bones meet is called a joint, or an:

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

    Which bone-associated structure(s) is/are continuous with the capsule of the joint, adding strength and helping to stabilize the joint?

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

    Which of the following is a function of the meniscus?

    <p>it channels the flow of synovial fluid</p> Signup and view all the answers

    Which of the following is not a function of synovial fluid?

    <p>increasing osmotic pressure within joint</p> Signup and view all the answers

    Which of the following is not a characteristic of articular cartilage?

    <p>it secretes synovial fluid</p> Signup and view all the answers

    The surface of articular cartilage is:

    <p>both slick and smooth</p> Signup and view all the answers

    Which of the following is not a property of synovial joints?

    <p>covered by a serous membrane</p> Signup and view all the answers

    Small pockets of synovial fluid that reduce friction and act as a shock absorber where ligaments and tendons rub against other tissues are called:

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

    The first carpometacarpal joints are examples of which type of synovial joints?

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

    The elbow joint is an example of a ________ joint.

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

    Which type of joint is found between the carpal bones?

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

    The joint that permits the greatest range of mobility of any joint in the body is the ________ joint.

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

    All of the following are structural classifications of synovial joints except:

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

    Which of the following is an example of a ball-and-socket joint?

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

    A joint that permits only flexion and extension is a ________ joint.

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

    Abduction is a(n):

    <p>movement away from the longitudinal axis of the body in the frontal plane</p> Signup and view all the answers

    Study Notes

    Joint Classifications

    • Synovial joints are functionally classified as diarthroses.
    • An immovable joint is called a synarthrosis.
    • A slightly movable joint is designated as amphiarthrosis.
    • A freely movable joint is termed diarthrosis.

    Joint Examples and Types

    • Sutures are specific examples of synarthroses.
    • Dense connective tissue in sutures corresponds to the periodontal ligament in gomphosis.
    • Four major types of synarthrotic joints include sutures, synchondroses, synostoses, and gomphoses.
    • Joints can be structurally categorized as synovial, bony, fibrous, or cartilaginous.

    Joint Anatomy

    • The location where two bones meet is referred to as an articulation.
    • The periosteum is continuous with the joint capsule, enhancing joint stability.
    • The meniscus channels synovial fluid flow and provides mechanical support.

    Synovial Fluid Characteristics

    • Synovial fluid provides nutrients, shock absorption, lubrication, and protects articular cartilages.
    • Increasing osmotic pressure within the joint is not a function of synovial fluid.

    Articular Cartilage Properties

    • Articular cartilage surfaces are smooth and slick, composed of hyaline cartilage with a high water content.
    • Articular cartilage does not secrete synovial fluid.

    Joint Structure and Movement

    • Synovial joints contain synovial fluid, are reinforced by accessory structures, and are covered by a capsule, but not by a serous membrane.
    • Bursae are small pockets of synovial fluid that reduce friction around ligaments and tendons.

    Specific Joint Types

    • The first carpometacarpal joints represent saddle joints.
    • The elbow is classified as a hinge joint.
    • Joints between carpal bones are gliding joints.
    • The shoulder joint allows for the greatest range of motion of any joint in the body.

    Joint Classifications and Movements

    • Rolling is not a recognized structural classification of synovial joints.
    • The shoulder is an example of a ball-and-socket joint.
    • Hinge joints allow only flexion and extension.

    Movement Definitions

    • Abduction refers to movement away from the body's longitudinal axis in the frontal plane.

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    Description

    Test your knowledge on synovial joints and their classifications with these flashcards from Chapter 8 of Anatomy and Physiology. This quiz covers concepts like diarthroses, synarthroses, and amphiarthroses, essential for understanding joint mechanics. Perfect for students looking to reinforce their learning in this critical area of anatomy.

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