7.3 PATHWAY 1: ATP-PC (ANAEROBIC ALACTIC)

What is the first and simplest of the two anaerobic energy pathways?

• ATP-PC system

• Aerobic system

• Glycolytic system

• Krebs cycle

How long does the ATP-PC system yield enough ATP for strenuous effort?

• 20-25 seconds

• 5-10 seconds

• 10-15 seconds

• 15-20 seconds

What compound does the ATP-PC system rely on for energy production?

• Glucose

• Phosphocreatine

• Lactic acid

• Fatty acids

Which sports events rely on the ATP-PC system for a large burst of energy?

• Marathon running

• Long jump

• 50-metre dash

• Cycling

How long does it take for the full replenishment of phosphocreatine to occur during recovery?

• 2-5 minutes

• 1-2 minutes

• 5-8 minutes

• 8-10 minutes

What is the ATP-PC system commonly known as?

• Krebs cycle

• Aerobic system

• Anaerobic alactic system

• Glycolytic system

What is the by-product of the ATP-PC system?

• Water

• Lactic acid

• No by-product

• Carbon dioxide

What is the main energy source for the ATP-PC system?

• Phosphocreatine

• Glucose

• Proteins

• Fatty acids

What is the chemical equation that represents the process of ATP-PC system?

• ADP + PC + Energy → ATP + Creatine

• PC + Creatine → ADP + ATP + Energy

• ADP + ATP → PC + Creatine + Energy

• ATP + Creatine → ADP + PC + Energy

What is the prefix 'a' in 'anaerobic alactic system' mean?