ATI LPN
Foundations and Adult Health Nursing Test Bank
Chapter 18 Questions
Question 1 of 5
What percentage of an adult's body weight consists of water?
Correct Answer: C
Rationale: The percentage of water declines to 50% to 60% in adults.
Question 2 of 5
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?
Correct Answer: D
Rationale: A loss of 20% of body fluid in an adult is fatal.
Question 3 of 5
The nurse uses a diagram to show that fluids in the interstitial and intravascular compartments are combined. What do they combine to form?
Correct Answer: D
Rationale: The fluids in the interstitial and intravascular compartments are combined to form the extracellular compartment.
Question 4 of 5
The nurse encourages a patient who has been vomiting to drink fluids because the body fluid lost daily must match the amount of fluid taken in to maintain homeostasis. What is the recommended daily amount of fluid for an adult?
Correct Answer: D
Rationale: Daily fluid intake and output is about 2200 to 2700 mL/day, and urinary output is about 1000 to 2000 mL/day.
Question 5 of 5
The nurse must keep an accurate intake and output record to assess kidney efficiency. In order for the kidneys to remove waste what is the least amount of hourly urine output the kidneys must produce to remove waste?
Correct Answer: C
Rationale: The kidneys must excrete a minimum of 30 mL/h to eliminate waste products.