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ACSM 030-444 Exam Questions
ACSM Certified Clinical Exercise Physiologist (Page 11 )

Updated On: 24-Feb-2026
Page 11 of 75
PDF with 370 Questions

Fast-twitch muscle fibers have which of the following characteristics compared with slow- twitch muscle fibers?

  1. Easily fatigued and well-developed aerobic system.
  2. High force production and well-developed blood supply.
  3. High PCr stores and high ATPase stores.
  4. None of the above.

Answer(s): C



The motor neuron and all the muscle fibers it innervates are called a

  1. Motor junction.
  2. Motor unit.
  3. Motor end plate.
  4. N one of the above.

Answer(s): B



The three principal mechanisms for increasing venous return during dynamic exercise are

  1. A decrease in SV, HR, and compliance of the vascular system.
  2. Venoconstriction, pumping action of muscle, and the pumping action of the respiratory system.
  3. An increase in vascular resistance, increase in HR, and decrease in blood pressure.
  4. None of the above.

Answer(s): B



Any physical activity with a performance time of approximately 30 seconds or less relies on which of the following energy systems?

  1. ATP.
  2. PCr.
  3. ATP-PCr.
  4. Aerobic glycolysis.

Answer(s): C



Which of the following is NOT a muscle type?

  1. Skeletal.
  2. Smooth.
  3. Cardiac.
  4. Generic.

Answer(s): D






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