12 PE - Energy Systems

What is the fuel source for the Anaerobic Glycolysis System?

• PC

• Glycogen

• FFAs

• Glycogen & FFAs

The ATP-PC system is utilised during what exercise intensity?

• Sub-maximal intensity (<85% HRmax)

• High Intensity (85% HRmax)

• Very High Intensity (95% HRmax)

• At rest

The anaerobic glycolysis system achieves peak power during which time frame?

• 2-4 seconds

• 5-15 seconds

• 15-60 seconds

• over 75 seconds

At what duration does the aerobic energy system become dominant?

• 5 seconds

• 15 seconds

• 45 seconds

• 75 seconds

how many ATP are produced per glucose molecule using the aerobic energy system?

• .7 ATP

• 2-3 ATP

• 38 ATP

• 441 ATP

Which of the following is a by-product of the aerobic energy system

• Inorganic Phosphates (Pi)

• Hydrogen ions (H+)

• Heat

• Lactic Acid

Hydrogen ions (H+) are a by-product of which energy system?

• ATP-PC

• Anaerobic Glycolysis System

• Aerobic System

• All three systems

An elite 3000m runner would predominantly use which energy system during a race?

• ATP-PC Energy System

• Anaerobic Glycolysis Energy System

• Aerobic Energy System

Which would be the dominant energy system in this physical activity?

• ATP-PC System

• Lactic Acid System

• Aerobic System

The ATP-PC system is limited by

• production of lactic acid as a by-product

• the ability to re-synthesise ATP quickly

• the need for long chemical reactions

• limited stores of phosphocreatine in the muscles