CanFitPro Personal Training Specialist Practice Test 2026 - Free Personal Training Specialist Practice Questions and Study Guide

Anaerobic metabolism does not require oxygen to produce ATP, as the process only involves glycolysis. Aerobic metabolism, also known as cellular respiration, requires oxygen to produce ATP through the Krebs cycle and electron transport chain. Both A and B cannot be the correct answer as they are opposites and only one can be true. "None of the above" is also incorrect as B, anaerobic metabolism, is the correct answer.