CSSD Exercise Physiology & Energy Metabolism

Question 1

Which energy system provides the most immediate source of ATP?

Accepted Answer

Phosphagen system

Answer

Glycolytic system

Answer

Oxidative phosphorylation

Answer

Citric acid cycle

Question 2

Which of the following is a byproduct of anaerobic glycolysis?

Accepted Answer

Lactate

Answer

Carbon dioxide

Answer

Oxygen

Answer

Water

Question 3

What is the primary fuel source during high-intensity exercise?

Accepted Answer

Carbohydrate

Answer

Protein

Answer

Fat

Answer

Fiber

Question 4

Which hormone increases during exercise to promote lipolysis?

Accepted Answer

Epinephrine

Answer

Insulin

Answer

Estrogen

Answer

Glucagon

Question 5

Where does aerobic metabolism primarily occur in the cell?

Accepted Answer

Mitochondria

Answer

Cytosol

Answer

Nucleus

Answer

Golgi apparatus

Question 6

Which system is predominant in long-duration, low-intensity exercise?

Accepted Answer

Oxidative system

Answer

Phosphagen system

Answer

Anaerobic glycolysis

Answer

Lactic acid system

Question 7

What is VO2 max a measure of?

Accepted Answer

Maximal oxygen uptake

Answer

Lactic threshold

Answer

Resting heart rate

Answer

Body fat percentage

Question 8

What role does creatine phosphate play in energy metabolism?

Accepted Answer

Restores ATP in the phosphagen system

Answer

Initiates glycolysis

Answer

Buffers lactic acid

Answer

Stores oxygen in muscles

Question 9

Which macronutrient yields the most ATP per gram during metabolism?

Accepted Answer

Fats

Answer

Carbohydrates

Answer

Proteins

Answer

Alcohol