Chapter 18: Fluids and Electrolytes QUESTIONS AND ANSWERS

1. What percentage of an adult's body weight consists of water? a. 10% to 20% b. 30% to 40% c. 50% to 60% d. 70% to 80% - ️️ANS: C The percentage of water declines to 50% to 60% in adults. PTS: 1 DIF: Cognitive Level: Knowledge REF: Page 536 OBJ: 1 TOP: Fluids KEY: Nursing Process Step: Implementation 2. When administering intravenous (IV) fluids, the nurse ensures that the IV fluids are infusing as ordered to prevent dehydration in an adult. When could dehydration become lethal? a. If the patient loses 5% of body fluid b. If the patient loses 10% of body fluid c. If the patient loses 15% of body fluid d. If the patient loses 20% of body fluid - ️️ANS: D A loss of 20% of body fluid in an adult is fatal. PTS: 1 DIF: Cognitive Level: Knowledge REF: Page 537 OBJ: 1 TOP: Fluids KEY: Nursing Process Step: Implementation