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  5. 030-444

Free ACSM 030-444 Exam Questions (page: 8)

Page 8 of 48
PDF with 370 Questions

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



When a motor unit is stimulated by a single nerve impulse, it responds by contracting one time and then relaxing. This is called a

  1. Twitch.
  2. Summation.
  3. Tetanus.
  4. Summary.

Answer(s): A



Which muscle protein contains many cross-bridges?

  1. Myofibril.
  2. Sarcomere.
  3. Troponin.
  4. Myosin.

Answer(s): D



Cardiac muscle action potentials are longer in duration than those of skeletal muscle. The longer action potential does not allow the muscle to

  1. Twitch.
  2. Undergo summation.
  3. Have tetanus.
  4. Summarize.

Answer(s): C



Which of the following cardiovascular variables does NOT increase as a result of chronic exercise while performing a single bout of maximal exercise?

  1. Maximal HR.
  2. Maximal cardiac output.
  3. Maximal SV.
  4. Maximal oxygen consumption.

Answer(s): A



Myocardial oxygen consumption is best estimated from

  1. Maximal oxygen consumption.
  2. RPP.
  3. Cardiac output.
  4. HR.

Answer(s): B



During mild to moderate exercise, pulmonary ventilation increases primarily as a result of increased

  1. Tidal volume.
  2. Breathing frequency.
  3. Vital capacity.
  4. Total lung volume.

Answer(s): A



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