Chapter 1 Quiz Cscs

19 Questions | Total Attempts: 2063

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Chapter 1 Quiz Cscs

Structure and Function of the Muscular, Neuromuscular, Cardiovascular, and Respiratory Systems


Questions and Answers
  • 1. 
    What is the fibrous connective tissue that covers the outside of muscle?
    • A. 

      Epimysium

    • B. 

      Perimysium

    • C. 

      Endomysium

    • D. 

      Sarcolemma

  • 2. 
    ______ is the thick structural protein in the sarcomere.
    • A. 

      Actin

    • B. 

      Myosin

    • C. 

      Z-line

    • D. 

      Sarcolemma

  • 3. 
    The myosin head attaches to the actin allowing a ___________ to form.
  • 4. 
    Muscle fibers that have slow contraction and relaxation speeds and are small in diameter
    • A. 

      Type I

    • B. 

      Type IIa

    • C. 

      Type IIb

    • D. 

      Type II x

  • 5. 
    _________________ is the conscious appreciation of the position of body parts with respect to gravity.
  • 6. 
    What body system is responsible for transport of nutrients, removal of waste, and body regulation?
    • A. 

      Respiratory

    • B. 

      Cardiovascular

    • C. 

      Muscular

    • D. 

      Neurovascular

  • 7. 
    The ________ valve is between the right atrium and the right ventricle
  • 8. 
    In an Electrocardiogram the __________ is generated by changes in electrical potential of cardiac muscle cells that depolarize the atria and result in atrial contraction.
    • A. 

      P-wave

    • B. 

      QRS Complex

    • C. 

      T-wave

  • 9. 
    In an Electrocardiogram the __________ is generated by the electrical potential ventricles repolarize.
    • A. 

      P wave

    • B. 

      QRS Complex

    • C. 

      T wave

  • 10. 
    _______ rapidly transport blood pumped FROM the heart, they have strong, muscular walls.
  • 11. 
    _______ function to exchange oxygen, fluid, nutrients, electrolytes, hormones, and other substances between the blood and the interstitial fluid in the various tissues of the body.
    • A. 

      Arteries

    • B. 

      Arterioles

    • C. 

      Capillaries

    • D. 

      Veins

    • E. 

      Venules

  • 12. 
    The transport of oxygen is accomplished by __________ in the red blood cells
  • 13. 
    Gas exchange in the respiratory system occurs at the __________.
  • 14. 
    What is A
  • 15. 
    What is B
  • 16. 
    The _________ is the intrinsic pacemaker, where rhythmic electrical impulses are normally initiated.
    • A. 

      Sinoatrial Node

    • B. 

      Atrioventricular Node

    • C. 

      Atrioventricular Bundle

    • D. 

      Purkinje Fibers

  • 17. 
    The                                      's function is to store and release Calcium ions to regulate muscle contractions.
    • A. 

      Endoplasmic Reticulum

    • B. 

      Myosomial Ribosome

    • C. 

      Endomysium

    • D. 

      Sarcoplasmic Reticulum

  • 18. 
    Proprioceptors that respond to stretch and are located in tendons near the musculotendinous junction are know as                                             .
  • 19. 
                               is a convergence of smaller contractions in order to create a steady contraction.
    • A. 

      Tetanus

    • B. 

      Twitch

    • C. 

      Slow Twitch

    • D. 

      Negative potential