36 Study Guide

  1. The skeletal system (more than one answer may be correct):




    • A. supports tissues.
    • c. protects CNS structures.
    • d. participates in blood cell formation.
  2. Sialoprotein:



    B. promotes calcification.
  3. Volkmann's canals




    E. contains blood vessels
  4. Trabeculae
    a. small canals that connect bone cells
    b. concentric rings
    c. cavities where bone cells are housed
    d. contains blood vessels
    e. irregular meshwork
    e. irregular meshwork
  5. Lamellae
    a. small canals that connect bone cells
    b. concentric rings
    c. cavities where bone cells are housed
    d. contains blood vessels
    e. irregular meshwork
    b. concentric rings
  6. The diaphysis is the:



    D. shaft of long bones
  7. A function of the epiphyseal plate that is not a function of the articular cartilage is to:



    B. enable bone to increase in length.
  8. The remodeling of bone is done by basic multicellular units that consist of bone precursor cells. Precursor cells:



    D. Both a and b are correct. (a. differentiate into osteoclasts and osteoblasts. b. are located on free surfaces of bone and along vascular channels.)
  9. Identify the sequence of bone healing in fractures and surgical injuries.
    1. procallus formation
    2. callus formation
    3. hematoma formation
    4. callus replacement with lamellar or trabecular bone
    5. periosteum and endosteum remodeling




    B. 3, 1, 2, 4, 5
  10. Joints are classified functionally and structurally. Which is a proper functional and structural relationships?




    C. diarthrosis/synovial
  11. In older individuals, the bone remodeling cycle:




    D. has fewer bone cells because the bone marrow becomes infiltrated with fat.
  12. Which is not included in a motor unit?



    A. upper motor neuron
  13. The perimysium is to a fasciculus as the:




    D. periosteum is to a bone.
  14. Sarcomere




    A. unit of contraction
  15. Sarcolemma
    a. membrane covering the muscle cell
    b. flattened, tubelike network
    c. unit of contraction
    d. calcium transport
    e. tubules that run perpendicular to muscle myofibrils
    a. membrane covering the muscle cell
  16. Sarcoplasmic reticulum
    a. membrane covering the muscle cell
    b. flattened, tubelike network
    c. unit of contraction
    d. calcium transport
    e. tubules that run perpendicular to muscle myofibrils
    d. calcium transport
  17. Which is not a characteristic of type I muscle fibers?




    E. sparse capillary supply
  18. Which protein is found in the thick myofilaments?




    D. myosin
  19. An important function of the transverse tubules is to:



    D. allow for intracellular calcium uptake.
  20. The ion necessary for coupling is:




    B. calcium.
  21. Aerobic respiration:




    A. yields more molecules of ATP than anaerobic respiration.
  22. Repayment of oxygen debt:




    E. a, b, and c are correct. (a. converts lactic acid to glycogen. b. replenishes ATP stores. c. replenishes phosphocreatine stores.)
  23. The strength of muscle contraction depends on the:




    E. All of the above are correct.
  24. Attempting to push an object that is too heavy to move is an example of a(n) ? contraction




    C. isometric
  25. Which does not happen with muscle as individuals grow older?



    C. The amount of RNA increases to compensate for decreased size of motor units.
Author
NursyDaisy
ID
137403
Card Set
36 Study Guide
Description
Structure and Function of the Musculoskeletal System
Updated