HESI A2 Exam Prep

Ace the HESI A2 exam with practice questions and mock tests.

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Respiratory System

Practice questions for Respiratory System in the HESI A2 exam.

Question 1 of 5

What happens when the diaphragm contracts?

The chest cavity expands, causing inhalation.

Oxygen is exchanged for carbon dioxide in the alveoli.

The epiglottis closes to prevent food from entering the trachea.

The lungs deflate and air is forced out.

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