Energy Systems and Metabolism Quiz

Which of the following energy systems is primarily used for high-intensity, short-duration exercises like sprinting?

• Aerobic System

• Anaerobic Glycolysis

• ATP-PCr System

• Oxidative System

What is the primary fuel source for the ATP-PCr system?

• Carbohydrates

• Fats

• Protein

• Phosphocreatine (PCr)

During which type of exercise is the anaerobic glycolytic system most dominant?

• Long-distance running

• Marathon

• 400-meter sprint

• Weightlifting

Which energy system produces lactic acid as a byproduct?

• ATP-PCr System

• Anaerobic Glycolysis

• Aerobic System

• Fatty Acid Oxidation

Which of the following substrates is broken down during glycolysis?

• Protein

• Carbohydrate

• Fat

• Creatine Phosphate

Which molecule is a common end product of both aerobic and anaerobic metabolism before entering further pathways?

• Pyruvate

• Acetyl-CoA

• NADH

• FADH2

How long can the ATP-PCr system supply energy for intense activity?

• 30 seconds

• 10 seconds

• 2 minutes

• 1 hour

Which energy system requires oxygen to produce ATP?

• Anaerobic Glycolysis

• ATP-PCr System

• Aerobic System

• Both a and c

What is the primary fuel source during low-intensity, long-duration exercise?

• Carbohydrates

• Fats

• Protein

• Phosphocreatine

The process of breaking down fats for energy is called:

• Glycolysis

• Lipolysis

• Beta-oxidation

• Gluconeogenesis