Anatomy And Physiology Advanced - Qp3

12 Questions | Total Attempts: 42

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Anatomy And Physiology Quizzes & Trivia

Questions and Answers
  • 1. 
    Muscles comprise approximately 45% of total body weight, and there are in excess of ______ in the human body.
    • A. 

      400 muscles

    • B. 

      500 muscles

    • C. 

      600 muscles

    • D. 

      700 muscles

  • 2. 
    Skeletal muscles are found only in the walls of the heart and are used to force blood into the circulatory vessels.
    • A. 

      True

    • B. 

      False

  • 3. 
    Skeletal muscle has several important functions within the body which includes:  (Select three)
    • A. 

      Movement

    • B. 

      Blood production

    • C. 

      Support and posture

    • D. 

      Heat production

  • 4. 
    The muscle belly is the thick portion of muscle tissue sited between the origin and insertion.
    • A. 

      True

    • B. 

      False

  • 5. 
    ______ take place when a muscle increases in tension without actively shortening or lengthening.
    • A. 

      Isotonic contractions

    • B. 

      Isometric contractions

    • C. 

      Isokinetic contractions

  • 6. 
    The myosin and actin filaments run adjacent to each other but at rest are not attached.
    • A. 

      True

    • B. 

      False

  • 7. 
    All skeletal muscle reacts to an chemical stimulus, which is conducted from the brain to the muscle via nerves.
    • A. 

      True

    • B. 

      False

  • 8. 
    Each fibre within a motor unit contracts according to the ______.
    • A. 

      Golgi tendon organs

    • B. 

      All or none law

    • C. 

      Sliding filament theory

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