Difficulty: Medium
Average Score: 78%
Full-length
Passage / Scenario
A 42-year-old man with end-stage acquired immunodeficiency syndrome (AIDS) has frequent episodes of watery stool. He's nauseated and refuses to drink fluids. His body temperature is 102°F (38.9°C), his BP is 82/52, and his pulse is 112. He has 0.9% NS infusing at 150 ml/hour through a large-bore catheter.Which type of fluid is 0.9% NS?
Correct answer
A
Rationale
0.9% NS is isotonic, matching body fluid osmolarity.