Final answer:
An infant with a 5% pneumothorax noted on CXR and receiving MV support would be expected to experience respiratory distress.
Step-by-step explanation:
An infant who is intubated and receiving MV support has a 5% pneumothorax noted on CXR. In this case, the RT should expect the infant to experience respiratory distress. A pneumothorax occurs when air leaks into the pleural space, causing the lung to collapse partially or fully. This can lead to difficulty breathing, rapid breathing, increased heart rate, and decreased oxygen levels in the blood.