A 34-Year-Old Man Sustains a Bullet Wound to the Chest

A 34-year-old man sustains a bullet wound to the chest that causes a pneumothorax. Which of the following best describe the changes in lung volume and thoracic volume in this man compared with normal? $\begin{array}{lcc}&\text { Lung Volume } & \text { Thoracic Volume } \\A.&\text { Decreased } & \text { Decreased } \\B.&\text { Decreased } & \text { Increased } \\C.&\text { Decreased } & \text { No change } \\D.&\text { Increased } & \text { Decreased } \\E.&\text { Increased } & \text { Increased } \\F.&\text { No change } & \text { Decreased }\end{array}$