A patient is admitted after experiencing vomiting and diarrhea for several days. The provider orders intravenous lactated Ringer's solution. The nurse understands that this fluid is given for which purpose?
a. To increase interstitial and intracellular hydration
b. To maintain plasma volume over time
c. To pull water from the interstitial space into the extracellular fluid
d. To replace water and electrolytes
ANS: D
Lactated Ringer's solution is an isotonic solution and is used to replace water and electrolytes and is often used to replace gastrointestinal losses. Hypotonic fluids increase interstitial and intracellular hydration. Colloidal solutions are used to maintain plasma volume over time. Hypertonic solutions pull water from the interstitial space into the extracellular fluid.
You might also like to view...
A nurse is planning to provide education for a family who has a child with sickle-cell anemia. For the prevention of a sickle-cell crisis, the nurse teaches the family the importance of avoiding which condition?
1. Respiratory infection and dehydration 2. Midrange altitudes 3. Weight loss without dehydration 4. Overhydration
Which of the following patients is most at risk for theophylline toxicity due to decreased biotransformation ability?
a. A 45-year-old man with renal insufficiency b. A 59-year-old man with chronic obstructive airway disease c. A 53-year-old woman who smokes and has asthma d. A 49-year-old woman with chronic obstructive airway disease and hepatitis
The nurse preparing written discharge instructions for the day-surgery unit where ear surgery is performed would plan to include which instruction?
a. Avoid heavy lifting and do not engage in sports for 3 weeks after surgery. b. Leave the cotton ball dressing in the ear until your follow-up appointment. c. Do not sneeze, blow your nose, or cough for 1 week after surgery. d. Report any decreased hearing in the operative ear.
Answer the following statement(s) true (T) or false (F)
The term ‘osmosis’ refers to the movement of water across a semi-permeable membrane which solute molecules cannot cross