Adult Health Nursing Answer Key Related

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Patient Josephine was referred to the physician, routine blood examinations were taken. After reviewing the serum electrolyte. levels an order of isotonic intravenous (IV) infusion was prescribed. Which IV solution should the nurse prepare?

  • A. 5 percent dextrose in water
  • B. 0.45 percent sodium chloride solution
  • C. 10 percent dextrose in water
  • D. 3 percent sodium chloride solution
Correct Answer: B

Rationale: The order for isotonic intravenous (IV) infusion indicates that the IV solution should have an osmolarity similar to that of blood serum, which is approximately 0.9 percent sodium chloride solution (normal saline). In the given choices, the closest option to isotonic solution is the 0.45 percent sodium chloride solution. This solution is hypotonic compared to blood serum, making it a suitable choice for isotonic IV infusion to prevent fluid shifts and maintain electrolyte balance in the patient. The other options, such as 5 percent dextrose in water (hypotonic), 10 percent dextrose in water (hypertonic), and 3 percent sodium chloride solution (hypertonic), do not match the requirement for an isotonic IV solution in this case.