Which Statement Regarding Exercise Is True

question 47

Multiple Choice

Which statement regarding exercise is true?

• A) Most of the ATP for aerobic exercise comes from aerobic respiration.
• B) During a short burst of activity such as a sprint, the main source of energy is aerobic respiration.
• C) If the demand for ATP outstrips oxygen supply, muscles switch to aerobic fermentation.

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Definitions:

Serous Membrane

A thin membrane lining certain internal cavities of the body, producing a lubricating fluid to reduce friction between organs.

Pericardium

A double-layered membrane surrounding the heart, protecting it and anchoring it to the surrounding walls.

Abdominopelvic Cavity

A body cavity comprising both the abdominal and the pelvic cavities, housing major organs of digestion, reproduction, and excretion.

Anterior Body Cavity

The front part of the body cavity that houses organs in the thoracic and abdominopelvic regions.