Multiple Choice
The factors that encourage excess body fat stores and obesity include ______.
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7. Energy and Metabolism
Introduction to Metabolism
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Which of the following best explains how to remain properly hydrated during exercise and why it is important?
A
Only drink water after exercise, since drinking during exercise can cause muscle cramps.
B
Rely solely on sports drinks for hydration, as water does not contribute to fluid balance during exercise.
C
Drink water regularly before, during, and after exercise to replace fluids lost through sweat, which helps maintain blood volume and prevents dehydration.
D
Avoid drinking fluids during exercise to prevent dilution of electrolytes in the blood.
Verified step by step guidance1
Understand the importance of hydration during exercise: Hydration is crucial for maintaining blood volume, regulating body temperature, and ensuring proper muscle function. During exercise, the body loses fluids through sweat, which must be replenished to prevent dehydration.
Evaluate the options provided: Analyze each statement critically to determine its accuracy based on biological principles. For example, drinking water only after exercise neglects the need for continuous fluid replacement during activity, and relying solely on sports drinks may not provide adequate hydration for all individuals.
Identify the correct approach: Drinking water regularly before, during, and after exercise is essential to replace fluids lost through sweat. This practice helps maintain blood volume, supports cardiovascular function, and prevents dehydration, which can impair performance and lead to health risks.
Consider the role of electrolytes: While water is vital for hydration, electrolytes (such as sodium and potassium) are also lost through sweat. In prolonged or intense exercise, sports drinks containing electrolytes can complement water intake to maintain electrolyte balance.
Summarize the importance of proper hydration: Proper hydration during exercise ensures optimal physical performance, prevents heat-related illnesses, and supports overall health. Drinking water at regular intervals is a simple and effective strategy to achieve this goal.
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