HESI A2 Exam Prep 2026

Real HESI A2 Questions.
Real Accuracy. Real Results.

Practice with exam-accurate HESI A2 questions that match the real test in format, difficulty, and logic. Trusted by students accepted into nursing programs across the United States.

8
Exam Sections
75%
Typical Pass Score
~5hr
Total Test Time
95%
Our Pass Rate

About Homeostasis & Body Regulation

0.9% normal saline is an isotonic solution that safely restores fluid volume without shifting water between cells, making it ideal for treating dehydration.

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Homeostasis & Body Regulation HESI A2 Practice Questions

Free Homeostasis & Body Regulation practice questions for the HESI A2 exam with detailed rationales.

Question 1 of 2

A nurse is administering 0.9% normal saline (NS) to a dehydrated patient. Why is normal saline the preferred fluid?
It is an isotonic solution
It pulls water out of cells.
It is a hypotonic solution
It increases sodium concentration in cells