What Conclusions Can You Draw from the Following Data, Obtained

Multiple Choice

What conclusions can you draw from the following data, obtained from a 41-year-old man who admits to "occasional smoking" but otherwise reveals no past history of pulmonary problems? $\begin{array}{|l|l|l|l|l|l|l|l|}\hline& \text { ACTUAL } & \text { PRED } & \% \text { PRED } && \text { ACTUAL } & \text { PRED } & \% \text { PRED } \\\hline \text { TLC } & 4.75 & 4.90 & 97 \% & \text { FVC } & 2.96 & 3.63 & 82 \% \\\hline \text { FRC } & 2.31 & 2.21 & 105 \% & \% \text { FEV }_{1} & 82 \% & 78 \% & \\\hline \text { RV } & 1.28 & 1.20 & 106 \% & \text { FEF }_{200-1200} & 4.33 & 5.45 & 79 \% \\\hline \text { VC } & 3.48 & 3.63 & 96 \% & \text { FEF }_{25} \%-75 \% & 1.95 & 3.37 & 58 \% \\\hline\end{array}$

A) Results indicate small airway obstruction.
B) Results indicate generalized airway obstruction.
C) Results indicate a restrictive lung disorder.
D) Results indicate a combined disease process.