The VC May Decrease as Much as _____ After Thoracic

Question

The VC may decrease as much as _____ after thoracic or upper abdominal surgery.
A) 10%
B) 20%
C) 50%
D) 90%

Accepted Answer

Thoracic or upper abdominal surgery can result in a significant decrease in Vital Capacity (VC), ranging from 20-50% or even more depending on the severity of the surgery. Therefore, option C, which states a VC decrease of 50%, is the best choice.