Diabetes Warning Signs and Insulin Dependence
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Questions and Answers

What is the impact of high H+ concentration on muscle fatigue?

  • Reduces muscle force (correct)
  • Speeds up muscle contraction process
  • Enhances muscle force production
  • Increases Ca2+ release
  • What is a sign of fatigue in muscles related to Ca2+ release?

  • Increased muscle force
  • Impaired contractile process
  • Shorter relaxation time
  • Longer relaxation time (correct)
  • At what percentage of VO2 max are Type IIa fibers typically recruited?

  • Up to 40%
  • 40~75% (correct)
  • Over 75%
  • None of the above
  • Which type of muscle fiber is categorized as fast?

    <p>Type IIb</p> Signup and view all the answers

    What is the main energy system utilized in events lasting 21~60 minutes?

    <p>Aerobic system</p> Signup and view all the answers

    How does high H+ concentration affect the muscle contractile process?

    <p>Competes with Ca2+ for binding sites</p> Signup and view all the answers

    What factor may contribute to reduced power output in muscles?

    <p>Impaired muscle contractile process</p> Signup and view all the answers

    In what type of events are Type IIx fibers typically recruited?

    <p>&gt;75% VO2 max events</p> Signup and view all the answers

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