HESI A2 Practice Test & Study Guide

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Respiratory System

Practice questions for Respiratory System in the HESI A2 exam.

Question 1 of 2

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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