Metabolic Systems and Fuel Sources in Exercise Quiz
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Questions and Answers

What is the main fuel for brief, intense work during exercise?

  • Lactic acid
  • Fats
  • Creatine phosphate (correct)
  • Glucose
  • Which factor affects the use of carbohydrates and fats during exercise?

  • Intensity (correct)
  • Temperature
  • Altitude
  • Hydration levels
  • What type of muscle fiber is mainly involved in short duration, high-intensity exercise?

  • Type IV
  • Type III
  • Type I (slow twitch)
  • Type II (fast twitch) (correct)
  • What provides more than 60% of the energy demands for long distance effort?

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

    What is the main fuel source for prolonged moderate intensity exercise?

    <p>Fats</p> Signup and view all the answers

    What is the main fuel source for maximal short bursts of muscle power (8 seconds)?

    <p>Creatine phosphate</p> Signup and view all the answers

    What is the main fuel source for prolonged submaximal muscle activity?

    <p>Fats</p> Signup and view all the answers

    What affects the use of carbohydrates and fats during exercise?

    <p>Intensity</p> Signup and view all the answers

    Which type of muscle fiber is mainly involved in long duration, low/moderate intensity exercise?

    <p>Type I (slow twitch)</p> Signup and view all the answers

    What is the main fuel source for very short maximum effort, such as the first 5 seconds of maximal exercise?

    <p>ATP/CP</p> Signup and view all the answers

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