Late clinical manifestations of an infant with respiratory distress include:

1. elevated diaphragm.
2. decreased respiratory rate.
3. CO2 retention.
4. lethargy.
a. 2, 3
b. 1, 4
c. 1, 2, 3
d. 1, 2, 3, 4

A
Late clinical manifestations that an infant is having respiratory distress include decreased respiratory rate, CO2 retention, and other signs. He or she will have lethargy and other signs early on. Elevated diaphragm is not an early or late sign of respiratory distress.