Skeletal Muscle Response to Exercise Eustress Quiz
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Questions and Answers

What is one of the adaptive responses in skeletal muscle triggered by routine exercise?

  • Decreased muscle fiber composition
  • Enhanced capillarization (correct)
  • Reduced oxygen delivery
  • Increased carbohydrate storage

Which factor can contribute to fatigue in skeletal muscle?

  • Accumulation of metabolites like lactate (correct)
  • Reduced energy depletion
  • Increased calcium handling
  • Enhanced neurotransmitter production

What is a key benefit of the adaptations in skeletal muscle due to routine exercise?

  • Impaired energy production
  • Decreased exercise capacity
  • Reduced overall fitness levels
  • Enhanced muscle function (correct)

Why is understanding the mechanisms of fatigue important?

<p>To prevent overuse injuries and manage performance (B)</p> Signup and view all the answers

Which metabolic change helps sustain muscle activity in the absence of sufficient oxygen?

<p>Optimization of energy production (C)</p> Signup and view all the answers

What are the main energy sources for muscle contraction?

<p>ATP and creatine phosphate (B)</p> Signup and view all the answers

What molecular adaptations occur in skeletal muscle in response to regular exercise?

<p>Mitochondrial biogenesis and angiogenesis (C)</p> Signup and view all the answers

In intense exercise situations with an oxygen supply-demand mismatch, what metabolic adaptation does skeletal muscle undergo?

<p>Increased reliance on anaerobic glycolysis (D)</p> Signup and view all the answers

How does creatine phosphate contribute to muscle function during high-intensity, short-duration activities?

<p>It serves as a rapid source of energy to replenish ATP levels (B)</p> Signup and view all the answers

What physiological changes in muscle composition result from regular exercise?

<p>Promotion of mitochondrial biogenesis and angiogenesis (A)</p> Signup and view all the answers

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