Which of the Following Substrates Is Primarily Used to Fuel

question 24

Multiple Choice

Which of the following substrates is primarily used to fuel exercise at 70% VO ₂ max or higher?

• A) glucose
• B) fatty acids
• C) creatine phosphate
• D) ketones
• E) proteins

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Definitions:

Physical Growth

The increases in height, weight, and other body dimensions that occur as a child matures.

Middle Childhood

A developmental phase typically from ages 6 to 12, characterized by significant growth in logical thinking, self-awareness, and socio-emotional skills.

Prepubescent Growth Spurt

A rapid increase in growth and development experienced by children just before the onset of puberty.

Maturational Change

Developmental transformations that occur as a part of the natural aging process, often genetically determined.