Creatine Phosphokinase Facts
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Questions and Answers

Which of the following is NOT true of creatine phosphokinase

  • It catalyzes a bidirectional reaction and relies on oxygen availability (correct)
  • It catalyzes reactions outside the mitochondria
  • Point of equilibrium depends on how much phosphocreatine, hydrogen, Adenosine diphosphate, Adenosine triphosphate and Creatine is available
  • It catalyzes the reaction converting Phosphocreatine, Hydrogen and Adenosine diphosphate to Adenosine triphosphate and creatine
  • During exercise which of the following substrates is preferentially utilised to provide energy and why

  • Proteins because they contain the lowest amount of energy per gram and can be spread over a longer period of time
  • Triglycerides because we have a large amount in storage
  • Carbohydrate for longer, higher intensity exercise because it is easier to breakdown and the body can produce/liberate glucose (correct)
  • Fat oxidation for longer, higher intensity exercise because it has a higher energy content per gram
  • Which of the following statements regarding bone adaptations to training is true?

  • Bones undergo resorption acutely after exercise then increase density after prolonged exercise (correct)
  • Bones do not adapt to exercise
  • Bones undergo resorption acutely after exercise which results in weaker bones with exposure to chronic exercise
  • Bones appear to strengthen acutely after an exercise bout
  • What is a primary driver for bone adaptations immediately after exercise?

    <p>Reduced plasma Ca2+ as a result of contracting muscle</p> Signup and view all the answers

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