Intravenous Fluids · NCLEX Exam

Which of the following IV fluids is classified as isotonic?

  1. 0.45% NaCl
  2. 3% NaCl
  3. 0.9% NaCl
  4. D5W (alone, after dextrose metabolism)
Show answer and explanation

Correct answer: 0.9% NaCl

0.9% NaCl is considered isotonic as its solute concentration closely resembles that of plasma, thereby avoiding major osmotic shifts.

Difficulty: Easy Question 7 of 20

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