A Subject Has Spirometry Repeated Before and After Inhaled Bronchodilators

Multiple Choice

A subject has spirometry repeated before and after inhaled bronchodilators.The following data are obtained: Which of the following statements best describes these findings?

A) There is mild obstruction with significant response to bronchodilators.
B) There is mild obstruction without significant change after bronchodilators.
C) There is a paradoxical response to bronchodilators.
D) Spirometry is within normal limits.