Which of the Following Is a Correct Statement About the Energy

question 89

Multiple Choice

Which of the following is a correct statement about the energy systems and fuels used by the body? 

• A) After 20 minutes of sustained activity, fuel for the muscles primarily comes from glucose that is broken down by glycolysis. 
• B) About 90% of the fuel is derived from fat at rest. 
• C) All energy systems are used at all times, but one system which dominates depending on intensity and conditioning of athlete. 
• D) An anaerobic energy system is the most efficient way to fuel the body for prolonged activity. 
• E) The lactic acid system is the predominant source of energy after 3 minutes of activity and until activity has reached 20 minutes in length.

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Definitions:

Voluntary Nervous System

Part of the nervous system responsible for the control of voluntary movements and the communication of sensory information to the CNS.

Sympathetic Division

A part of the autonomic nervous system that activates the body's fight or flight response during stressful or emergency situations.

Electrical Activity

The movement of electrical charges or signals through neurons in the brain and throughout the body, foundational for neural communication.

Brain

The complex central organ of the nervous system, responsible for thought, memory, emotion, touch, motor skills, vision, breathing, temperature, hunger, and every process that regulates our body.