HESI Entrance Practice Exam

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Which condition is characterized by the abnormal expansion of lung tissue?

Apnea

Atelectasis

The condition characterized by the abnormal expansion of lung tissue is atelectasis. This condition involves the collapse of a part of the lung or a complete lung due to the deflation of air sacs, leading to reduced gas exchange and potential respiratory complications. While commonly associated with conditions that obstruct airways or compress lung tissue, atelectasis reflects the lung's inability to maintain normal expansion during breathing.

In contrast, apnea refers to a temporary cessation of breathing, which is not related to lung tissue expansion. Cellulitis is a bacterial skin infection and does not pertain to lung conditions at all. Cicatrix, or scar tissue, forms as a healing response in various organs, including lungs, but is not indicative of an abnormal expansion. Understanding these distinctions clarifies why atelectasis is the correct answer concerning lung tissue expansion.

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Cellulitis

Cicatrix

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