YMCA L3 Anatomy - Energy Systems

20 Questions | Total Attempts: 208

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YMCA L3 Anatomy - Energy Systems - Quiz

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Questions and Answers
  • 1. 
    Which by-product of the energy systems can cause muscle fatigue?
    • A. 

      Lactic acid

    • B. 

      Oxaloacetic acid

    • C. 

      Creatine phosphate

    • D. 

      Calcium

  • 2. 
    Approximately how long is continuous exercise using the lactic acid energy system sustainable?  
    • A. 

      2-3 minutes

    • B. 

      Up to a minute

    • C. 

      5 minutes +

    • D. 

      3-4 minutes

  • 3. 
    What activities use predominantly the phosphocreatine (PC) energy system?
    • A. 

      100m sprint

    • B. 

      400m run

    • C. 

      1.5 mile run

    • D. 

      Canoeing against a current

  • 4. 
    What activities use the highest proportion of fat as a fuel compared to glycogen?
    • A. 

      Marathon running

    • B. 

      Weight lifting

    • C. 

      Box jumps

    • D. 

      400m run

  • 5. 
    What is the body's fuel of choice?
    • A. 

      Glucose

    • B. 

      ADP

    • C. 

      Glycogen

    • D. 

      ATP

  • 6. 
    What is the body's energy currency?
    • A. 

      ATP

    • B. 

      ADP

    • C. 

      Carbohydrates

    • D. 

      Glucose

  • 7. 
    Where does the energy come from to rebuild ADP to ATP?
    • A. 

      Creatine phosphate

    • B. 

      Calcium

    • C. 

      Lactic Acid

    • D. 

      Oxygen

  • 8. 
    Which energy system will fast twitch muscle fibres use for energy production?
    • A. 

      Phosphocreatine

    • B. 

      Aerobic

    • C. 

      Anaerobic

    • D. 

      Lactic Acid

  • 9. 
    Complete the sentence: Glycolysis is the breakdown of 
    • A. 

      Glycogen into pyruvic acid

    • B. 

      ATP to ADP

    • C. 

      Adenosine to creatine phosphate

    • D. 

      Oxygen to carbon dioxide

  • 10. 
    What does the term ‘onset of blood lactate accumulation’ (OBLA) mean?
    • A. 

      The point at which lactic acid accumulates faster than it can be removed

    • B. 

      The point at which citric acid accumulates faster than it can be removed

    • C. 

      The point at which pyruvic acid accumulates faster than it can be removed

    • D. 

      The point at which lactic phosphate accumulates faster than it can be removed

  • 11. 
    Which energy system works in the presence of oxygen?
    • A. 

      Aerobic

    • B. 

      Anaerobic

    • C. 

      Lactic acid

    • D. 

      Phosphocreatine

  • 12. 
    Which energy system produces large amounts of ATP?
    • A. 

      Aerobic

    • B. 

      Anaerobic

    • C. 

      Lactic acid

    • D. 

      Phosphocreatine

  • 13. 
    What is the main by-product of the aerobic system?
    • A. 

      Carbon dioxide

    • B. 

      Lactic acid

    • C. 

      Oxygen

    • D. 

      ADP

  • 14. 
    At which point is OBLA or anaerobic threshold met?
    • A. 

      4mmol

    • B. 

      3mmol

    • C. 

      6mmol

    • D. 

      8mmol

  • 15. 
    What is a common physiological adaptation when training the ATP-PC system?
    • A. 

      Hypertrophy of the muscles

    • B. 

      Increased capiliarisation

    • C. 

      Better utilisation of oxygen

    • D. 

      Increased myoglobin stores

  • 16. 
    What is a common physiological adaptation when training the lactic acid system?
    • A. 

      Improved muscular strength

    • B. 

      Increased cardiovascular strength

    • C. 

      Increased ability to mobilise fat as fuel

    • D. 

      Improved motor unit recruitment

  • 17. 
    Which of the following is not a common physiological adaptation when training the aerobic system?
    • A. 

      Delayed onset blood lactate accumulation

    • B. 

      Increased mitochondria

    • C. 

      Increase in blood volume

    • D. 

      Increased ability to work at a higher VO2 max

  • 18. 
    From which of the following is glucose easily accessed from
    • A. 

      Simple carbohydrates

    • B. 

      Complex carbohydrates

    • C. 

      Protein

    • D. 

      Fat

  • 19. 
    How long does the ATP-PC system last?
    • A. 

      3-4 seconds

    • B. 

      10 seconds

    • C. 

      7-8 seconds

    • D. 

      12-15 seconds

  • 20. 
    How long does ATP take to resynthesise?
    • A. 

      3-5 minutes

    • B. 

      10 minutes

    • C. 

      1-2 minutes

    • D. 

      6-8 minutes

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