Which of the Following Contributes the Most Kilojoules to Total

question 19

Multiple Choice

Which of the following contributes the most kilojoules to total energy expenditure?

• A)physical activity
• B)resting energy expenditure
• C)diet-induced thermogenesis
• D)They all contribute equally.

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Definitions:

Electrocardiogram

A diagnostic test that measures the electrical activity of the heart to identify various heart conditions.

Electrical Impulses

Rapid, transient bursts of electric activity transmitted along neurons or muscle fibers, facilitating communication and function.

Cardiac Cycle

is the sequence of events that occurs in the heart from one heartbeat to the next, including contraction (systole) and relaxation (diastole) phases.

AV Node

A part of the heart's electrical system which acts as a gateway between the atria and ventricles, ensuring the timing of heartbeats.