Energy Metabolism

A substance is oxidized when it

• gain electron

• gain oxygen

• gain hydrogen

• all of the above

Energy sources of the aerobic system includes

• carbohydrate

• protein

• lipid

• all of the answers

Which enzyme is involved in ATP-PCr system?

• lactate dehydrogenase

• creatine kinase

• pyruvate dehydrogenase

• glycogen synthase

An athlete in a discus throwing event utilizes which energy system?

• ATP-CP system

• lactate system

• aerobic system

• all three energy systems

The Aerobic System usually lasts for how long?

• 0-10 seconds

• 10 seconds - 2 minutes

• 2 + minutes

• 1 hour +