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Home ACSM 040-444

ACSM 040-444 Exam Practice Questions (P. 5)

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Question #41
The simplest and most rapid method to produce ATP during exercise is through __________.
  1. A
    Glycolysis.
  2. B
    The ATP-PCr system.
  3. C
    Aerobic metabolism.
  4. D
    Glycogenolysis.

Correct Answer:
B

Question #42
In general, the higher the intensity of the activity, the greater the contribution of __________.
  1. A
    Aerobic energy production.
  2. B
    Anaerobic energy production.
  3. C
    The Krebs cycle to the production of ATP.
  4. D
    The electron-transport chain to the production of ATP.

Correct Answer:
B

Question #43
The energy to perform long-term exercise (> or = 15 min) comes primarily from __________.
  1. A
    Aerobic metabolism.
  2. B
    A combination of aerobic and anaerobic metabolism, with anaerobic metabolism producing the bulk of the ATP.
  3. C
    Anaerobic metabolism.
  4. D
    None of the above.

Correct Answer:
A

Question #44
The energy to perform long-term exercise (> or = 16 min) comes primarily from __________.
  1. A
    Aerobic metabolism.
  2. B
    A combination of aerobic and anaerobic metabolism, with anaerobic metabolism producing the bulk of the ATP.
  3. C
    Anaerobic metabolism.
  4. D
    None of the above.

Correct Answer:
A

Question #45
In a rested, well-fed athlete, most of the carbohydrate used as a substrate during exercise comes from __________.
  1. A
    Muscle glycogen stores.
  2. B
    Blood glucose.
  3. C
    Liver glycogen stores.
  4. D
    Glycogen stored in fat cells.

Correct Answer:
A

Question #46
Fast-twitch muscle fibers have which of the following characteristics compared with slow twitch muscle fibers?
  1. A
    Easily fatigued and well-developed aerobic system.
  2. B
    High force production and well-developed blood supply.
  3. C
    High PCr stores and high ATPase stores.
  4. D
    None of the above.

Correct Answer:
C

Question #47
The motor neuron and all the muscle fibers it innervates are called a __________.
  1. A
    Motor junction.
  2. B
    Motor unit.
  3. C
    Motor end plate.
  4. D
    None of the above.

Correct Answer:
B

Question #48
The three principal mechanisms for increasing venous return during dynamic exercise are __________.
  1. A
    A decrease in SV, HR, and compliance of the vascular system.
  2. B
    Venoconstriction, pumping action of muscle, and the pumping action of the respiratory system.
  3. C
    An increase in vascular resistance, increase in HR, and decrease in blood pressure.
  4. D
    None of the above.

Correct Answer:
B

Question #49
Any physical activity with a performance time of approximately 30 seconds or less relies on which of the following energy systems?
  1. A
    ATP.
  2. B
    PCr.
  3. C
    ATP-PCr.
  4. D
    Aerobic glycolysis.

Correct Answer:
C

Question #50
Which of the following is NOT a muscle type?
  1. A
    Skeletal.
  2. B
    Smooth.
  3. C
    Cardiac.
  4. D
    Generic.

Correct Answer:
D

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