A&P Ch 8 Quiz

25 July 2022
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question
Tendon sheaths ________.
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act as friction-reducing structures
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Which movement increases the angle between articulating bones?
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extension
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Which of the following is not a part of the synovial joint?
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tendon sheath
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Synarthrotic joints ________.
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permit essentially no movement
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Which type of joint allows opposition?
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saddle joint
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Fibrous joints are classified as ________.
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sutures, syndesmoses, and gomphoses
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Synarthrotic joints ________.
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permit essentially no movement
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The gliding motion of the wrist uses ________ joints.
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plane
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On the basis of structural classification, which joint is fibrous connective tissue?
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syndesmosis
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Synovial joints are classified into six main categories based on ________.
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the shape of their articular surfaces
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Which of the following terms describes the functional classification of the illustrated joint with regard to its range of movement?
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diarthrotic
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Which of the following are cartilaginous joints?
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Synchondroses
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Saddle joints have concave and convex surfaces. Identify the saddle joint of the skeleton.
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Carpometacarpal joint of the thumb.
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Presence of a synovial cavity, articular cartilage, synovial membrane, and ligaments are characteristics of what type of joint?
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hinge joint
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Which of the following is a hinge joint?
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Interphalangeal joints
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The gliding motion of the wrist uses ________ joints.
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plane
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Extracapsular ligaments stabilizing the knee include ________.
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lateral and medial collateral ligaments preventing lateral or medial angular movements
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The MAIN contributors to hip joint stability are __________.
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the deep socket of the joint and strong capsular ligaments
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Which of the following statements defines synchondroses?
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cartilaginous joints where hyaline cartilage unites the ends of bones
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Bending your head back until it hurts is an example of ________.
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hyperextension
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Most joints of the body are classified as ________ joints.
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synovial
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gomphosis
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tooth in socket
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suture
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joint found only in the skull
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symphysis
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bones united by fibrocartilage
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synchondrosis
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bones united by hyaline cartilage
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The ligaments that protect the alignment of the femoral and tibial condyles and limit the movement of the femur anteriorly and posteriorly are called ________.
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cruciate ligaments
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Presence of a synovial cavity, articular cartilage, synovial membrane, and ligaments are characteristics of what type of joint?
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hinge joint
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In a sprain, the ________ of a joint are stretched or torn.
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ligaments
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The terms inversion and eversion pertain only to the ________.
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feet
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Which ligament would one tap to generate the knee-jerk reflex?
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patellar ligament
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When a person makes a pinching motion with their thumb and forefinger they are performing a movement called ________.
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opposition
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Football players often sustain lateral blows to the extended knee. Which of the ligaments is (are) damaged as a result?
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medial collateral, medial meniscus, and anterior cruciate
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Which of the following statements regarding the joints between the ribs and sternum is correct?
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The joints between the first ribs and sternum are synarthrotic; the joints between the other ribs and sternum are diarthrotic. This joint is labeled B in the figure.
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What are menisci?
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semilunar cartilage pads
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Saddle joints have concave and convex surfaces. Identify the saddle joint of the skeleton.
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Carpometacarpal joint of the thumb.
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Joints A, B, C, and D in the figures below are all classified as ______.
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cartilaginous joints
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Pointing the toes is an example of ________.
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plantar flexion
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Which of the following are cartilaginous joints?
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Synchondroses
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Which of the following is one difference between bursae and tendon sheaths?
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Bursae are flattened fibrous sacs wedged between adjacent structures, while tendon sheaths are elongated fibrous sacs that wrap around tendons.
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Which of the following is NOT a muscle of the rotator cuff?
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biceps brachii muscle
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Articular cartilage found at the ends of the long bones serves to ________.
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provide a smooth surface at the ends of synovial joints
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Which of the following is NOT a structural feature of synovial joints?
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bone ends united by fibrocartilage
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In the classification of joints, which of the following is true?
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All synovial joints are freely movable.
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In symphysis joints the articular surfaces of the bones are covered with ________.
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hyaline cartilage
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Which of the following is CORRECTLY matched?
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osteoarthritis: chronic degenerative joint disease
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The cruciate ligaments of the knee ________.
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prevent hyperextension of the knee
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Which of the following movements does not increase or decrease the angle between bones?
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rotation
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Which of the following is a true statement regarding gliding movements?
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Gliding movements occur at the intercarpal and intertarsal joints.
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Functional classification of joints is based on ________.
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the amount of movement allowed by the joint
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If a torn anterior cruciate ligament (ACL) is not properly repaired, the consequences could include the inability to prevent ________.
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forward sliding of the tibia on the femur
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Which of the following is not a factor that contributes to keeping the articular surfaces of diarthroses in contact?
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number of bones in the joint
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Which of the following are CORRECTLY paired?
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synchondrosis: a plate of hyaline cartilage unites the bones
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To realign an anteriorly dislocated Temporomandibular joint (TMJ), a physician must push the mandible inferiorly and posteriorly in order to move the mandibular condyle past the temporal bone's ________.
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articular tubercle
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The arrows in B and C point to structures that can both be described as a ______.
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ligament
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Which of the following is CORRECTLY paired?
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multiaxial movement: movement in all three planes and around all three axes
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Which of the following is NOT a factor that contributes to joint stability?
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amount of synovial fluid in the joint cavity
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Maggie is a 28-year-old Caucasian woman who has newly diagnosed rheumatoid arthritis (RA). She complains of painful, stiff hands and feet, feeling tired all the time, and reports an intermittent low-grade fever. She asks the nurse if she is going to be "crippled." How should the nurse respond?
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RA is a chronic, systemic, inflammatory disorder. Inflammation occurs in the joint, and the fluid that accumulates causes swelling, stiffness, impairment of joint movement, and extreme pain.
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What is the most important stabilizing factor for most synovial joints?
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muscle tone
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The shoulder and hip are examples of ________.
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ball-and-socket joints
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Compared to the shoulder, displacements of the hip joints are ________.
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rare because of the ligament reinforcement
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Which type of movement occurs at the intercarpal and intertarsal joints?
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gliding movement
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Which joint in the above figure is limited to nonaxial gliding movements?
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E-intercarpal
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Connective tissue sacs lined with synovial membranes that act as cushions in places where friction develops are called ________.
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bursae
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The origin of a muscle is attached to the movable bone.
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False The origin is attached to the immovable or less movable bone; the insertion is attached to the movable bone.
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Using the structural classification, what type of joint is the epiphyseal plate?
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cartilaginous joint
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Which structure is composed primarily of dense irregular connective tissue?
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D Structure D forms the fibrous capsule surrounding the joint cavity.
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Which of the following movements does not increase or decrease the angle between bones?
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rotation
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A fibrous joint that is a peg-in-socket is called a ________ joint.
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gomphosis
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Extension is an example of a(n) ________ movement.
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angular
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An example of an interosseus fibrous joint is ________.
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the radius and ulna along its length
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People who grind their teeth are likely to damage their ________.
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temporomandibular joints
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Which of the following does NOT represent a structural classification of joints?
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diarthrosis
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Which of the following is true regarding the structure indicated by the arrow in the joint depicted in A?
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It becomes ossified late in adult development.
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What is moving a limb away from the median plane of the body along the frontal plane called?
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abduction
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Articulations permitting only slight degrees of movement are ________.
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amphiarthroses
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Which of the joints will eventually develop into a synostosis?
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A Endochondral ossification leads to the eventual fusion of the epiphysis and diaphysis to form a synostosis.
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Synovial fluid is present in joint cavities of freely movable joints. Which of the following statements is true about this fluid?
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It contains hyaluronic acid.
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Tendon sheaths ________.
answer
act as friction-reducing structures