What definition of atelectasis would best fit that of a premature newborn with respiratory distress syndrome (RDS)?
A) Partial or total collapse of previously expanded lung regions
B) Free pleural air compressed the lungs
C) Enlarged heart causing compression of the lungs
D) The lungs remaining unexpanded since birth

Question

Quizplus · Accepted Answer

A premature newborn with RDS will have atelectasis because the lungs remain unexpanded since birth. In most instances, atelectasis would be defined as the partial or total collapse of previously expanded lung regions. Free pleural air and an enlarged heart are examples of causes of atelectasis but are not definitions for it.

What Definition of Atelectasis Would Best Fit That of a Premature