As exercise of a set intensity occurs over several hours The ratio of fat to carb calories used stays the same The intensity of exercise decreases over time O The fraction of carbohydrate used goes down and the fraction of fat used increases O The fraction of carbohydrate used goes up over time, as the athlete runs out of breath

9. Discuss the difference between metabolism during steady state exercise and intermittent exercise. Discuss the concept of EPOC and how it relates to both forms of exercise.

Describe the advantages and disadvantages of oxygen-based metabolism.

Aerobic training decreases the graphical area defined as oxygen deficit True O False

Which energy system did you use for 5 mins of jogging (around the house or up/down the stairs)? what is the main sourse of energy for ATP replenishment for this system? What is the limitation of this energy sourse? What muscles fibres recruited?  A) ATP-PC system B) Glycotic system (Glycolysis - pyruvate) C) Cellular Respiration (Aerobic Respiration - ETC)

Which of the following nutrients is most helpful for promoting endurance during sustained activity? Question 39 options: a)  Carbohydrate b)  Protein c)  Water d)  Fat

A primary mechanism of fatigue during 4 repeated bouts of 25-second intervals performed at high-intensity is likely  _______________?     heat accumulation     Pi depletion      H+ accumulation     glycogen depletion

What are limiting factors for steady-rate aerobic metabolism? Select 3 correct answer(s) Fluid loss Adequate reserves of liver and muscle glycogen O Electrolyte depletion Capacity of circulatory system to main perfusion throughout the body

what is the answer?

During maximal exercise RER will not rise above 1.0 due to the buffering of lactic acid which provides additional CO2 above that produced from the use of carbohydrates:   Group of answer choices True False