Physiologic Changes in Aerobic and Anaerobic Exercise
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Questions and Answers

What is the primary energy source for aerobic exercise?

  • Proteins
  • Carbohydrates and proteins
  • Carbohydrates and fats (correct)
  • Fats and proteins

What happens to heart rate and stroke volume during aerobic exercise?

  • Increase (correct)
  • Decrease
  • Remain unchanged
  • Fluctuate

What is the role of EPOC (Excess Post-exercise Oxygen Consumption) after aerobic exercise?

  • It is related to increased carbon dioxide production after exercise
  • It represents the oxygen consumed post-exercise to restore the body to its pre-exercise state (correct)
  • It has no significant impact on post-exercise recovery
  • It indicates a decrease in oxygen consumption after exercise

Which macronutrients undergo aerobic metabolism during exercise?

<p>Carbohydrates and fats (C)</p> Signup and view all the answers

What characterizes the energy output during aerobic exercise?

<p>Sustained, moderate-intensity efforts (B)</p> Signup and view all the answers

What happens to respiratory rate and depth during aerobic exercise?

<p>Increase (D)</p> Signup and view all the answers

During anaerobic exercise, what is the primary energy pathway?

<p>Glycolysis (B)</p> Signup and view all the answers

What is the byproduct of anaerobic glycolysis?

<p>Lactate (C)</p> Signup and view all the answers

What is rapidly broken down to regenerate ATP for very short bursts of activity?

<p>Phosphocreatine (D)</p> Signup and view all the answers

What occurs during the post-exercise period to gradually clear lactate from the muscles?

<p>Conversion of lactate back to pyruvate (C)</p> Signup and view all the answers

What is replenished during the recovery phase utilizing oxygen-dependent processes?

<p>ATP and phosphocreatine stores (B)</p> Signup and view all the answers

What does the body work to restore during the recovery phase after anaerobic activity?

<p>pH balance disrupted by lactic acid accumulation (A)</p> Signup and view all the answers

What is the elevated metabolic rate during the recovery phase known as?

<p>Post-Exercise Oxygen Consumption (EPOC) (A)</p> Signup and view all the answers

What are utilized for ongoing energy needs during anaerobic exercise?

<p>Fatty acids (D)</p> Signup and view all the answers

What contributes to muscle fatigue during anaerobic glycolysis?

<p>Accumulation of lactic acid (B)</p> Signup and view all the answers

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