The major pathologic and structural changes associated with TTN include:

1. decreased removal of fluid by pulmonary lymphatics.
2. air trapping.
3. pleural effusion.
4. atelectasis.
a. 1, 2
b. 3, 4
c. 1, 2, 3
d. 2, 3, 4

A
The major pathologic and structural changes associated with TTN include, but are not limited to, decreased removal of fluid by the pulmonary lymphatics and air trapping caused by the compromised clearance of bronchial secretions.