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.
Understand how the diaphragm’s contraction expands the chest cavity, lowering lung pressure to allow air intake, and initiate inhalation in the respiratory system.
Free Respiratory System practice questions for the HESI A2 exam with detailed rationales.
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