Exit Exam Gcsu Spring 2015

75 Questions | Total Attempts: 53

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Exit Exam Gcsu Spring 2015

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Questions and Answers
  • 1. 
    What is the average rest RER value for adults?
    • A. 

      .80-.85

    • B. 

      .78-.80

    • C. 

      .70-.75

    • D. 

      .60-.70

  • 2. 
    The combustion of fat requires less oxygen than carbohydrates?
    • A. 

      True

    • B. 

      False

  • 3. 
    The ratio between the amount of CO2 released and the O2 consumed in one breath?
  • 4. 
    The volume of air expired per minute?
    • A. 

      Minute volume

    • B. 

      Minute ventilation

    • C. 

      Pulmonary ventilation

    • D. 

      VO2

  • 5. 
    Training causes RER to __________ and results in more utilization of FFA during submaximal exercise.
  • 6. 
    __________ is measured as the amount of blood ejected from the left ventricle during contraction.
  • 7. 
    Highly trained athletes can reach a ejection fraction of close to 100%?
    • A. 

      True

    • B. 

      False

  • 8. 
    ________ is the proportion of blood within the heart compared to that which gets pumped out.
  • 9. 
    What are the two measurements of Work we are concerned with in exercise science?
    • A. 

      VO2 (mL/kg/min

    • B. 

      Watts

    • C. 

      METS

    • D. 

      Mass (kg)

  • 10. 
    Two athletes working out have the same cardiac output, but athlete A has a lower heart rate than athlete B. Which athlete will last longer during a competition?
    • A. 

      Athlete A

    • B. 

      Athlete B

    • C. 

      They will last the same amount of time

    • D. 

      Not enough information is present to answer the question

  • 11. 
    At what percent of VO2 max does Stroke Volume plateau during exercise?
    • A. 

      35%

    • B. 

      50%

    • C. 

      75%

    • D. 

      95%

  • 12. 
    Training increases plasma volume in blood.
    • A. 

      True

    • B. 

      False

  • 13. 
    The blood contents of Hematocrit are also known as ______.
  • 14. 
    Exercise technique described by closing the glottis, mouth, and nose during exhalation to increase intrathoracic pressure.
  • 15. 
    The highest SV attainable in the upright position is much greater than the resting value in the supine position.
    • A. 

      True

    • B. 

      False

  • 16. 
    This measures the amount of oxygen extracted by the tissues from blood during one trip around the systemic circulation.
  • 17. 
    Healthy adults eject what volume of oxygen per dL of blood from the heart?
    • A. 

      15 mL

    • B. 

      30 mL

    • C. 

      20 mL

    • D. 

      5 mL

  • 18. 
    What percentage of oxygen saturation in hemoglobin is considered optimal?
    • A. 

      98-100%

    • B. 

      89-90%

    • C. 

      93-95%

    • D. 

      75-80%

  • 19. 
    The Cardiac Output at rest is between 5-6L of blood at rest.
    • A. 

      True

    • B. 

      False

  • 20. 
    Increases in exercise intensity are associated with a(n) __________ in (a-v)O2 difference
  • 21. 
    What equation is used to determine the rate at which oxygen is being used during activity?
    • A. 

      Ventilatory Threshold Equation

    • B. 

      Karvonen Equation

    • C. 

      Systemic Equation

    • D. 

      Fick Equation

  • 22. 
    Cardiac Output can reach volumes of 18 -25 L/min at max exercise?
    • A. 

      True

    • B. 

      False

  • 23. 
    What is the total amount of blood pumped through the left ventricle per minute?
  • 24. 
    Is it possible to lose type IIX muscle fibers?
    • A. 

      Yes, they are converted as we age

    • B. 

      No, muscle fibers cannot change types

  • 25. 
    Select the following functions of the cardiovascular system?
    • A. 

      Delivery of Nutrients

    • B. 

      Removal of Wastes

    • C. 

      Transport of Oxygen and Hormones

    • D. 

      Maintain Acid /Base Concentrations

    • E. 

      Maintain Homeostasis

    • F. 

      Pump Blood throughout the body

    • G. 

      Produce work by the body

    • H. 

      Signal impulses to produce movement actions

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