Take this quiz to examine how much you already know about water. If you cannot answer a question, pay extra attention to that topic as you study this chapter.

  1. The amount of water a person needs each day can vary.

  2. Water is found in some—but not all—of the body’s cells.

  3. Hydration is important to help regulate body temperature.

  4. Intracellular water flows out of cells to achieve cellular water balance.

  5. During vigorous exercise, the body loses water to regulate body temperature.

  6. The greater the loss of body fluids, the greater the number of electrolytes lost.

  7. Sports drinks are the best fluid choice for all athletes.

  8. The foods you eat help meet the body’s need for fluids.