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Free ACSM 030-444 Exam Questions (page: 7)

Page 7 of 48
PDF with 370 Questions

The simplest and most rapid method to produce ATP during exercise is through

  1. Glycolysis.
  2. The ATP-PCr system.
  3. Aerobic metabolism.
  4. Glycogenolysis.

Answer(s): B



In general, the higher the intensity of the activity, the greater the contribution of

  1. Aerobic energy production.
  2. Anaerobic energy production.
  3. The Krebs cycle to the production of ATP.
  4. The electron-transport chain to the production of ATP.

Answer(s): B



The energy to perform long-term exercise (> or = 15 min) comes primarily from

  1. Aerobic metabolism.
  2. A combination of aerobic and anaerobic metabolism, with anaerobic metabolism producing the bulk of the ATP.
  3. Anaerobic metabolism.
  4. None of the above.

Answer(s): A



The energy to perform long-term exercise (> or = 15 min) comes primarily from

  1. Aerobic metabolism.
  2. A combination of aerobic and anaerobic metabolism, with anaerobic metabolism producing the bulk of the ATP.
  3. Anaerobic metabolism.
  4. None of the above.

Answer(s): A



In a rested, well-fed athlete, most of the carbohydrate used as a substrate during exercise comes from

  1. Muscle glycogen stores.
  2. Blood glucose.
  3. Liver glycogen stores.
  4. Glycogen stored in fat cells.

Answer(s): A



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



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