Refer to the Graph Showing a Spirometer Tracing

Multiple Choice

Refer to the graph showing a spirometer tracing. Suppose that you have been resting on the couch while watching a 30-minute TV show; you test your airflow with a spirometer and record the tracing shown in the graph.From this, you see that while you are breathing normally without added effort, you are moving approximately _______ of air into your lungs when you breathe in (inhale) and approximately _______ of air out of your lungs when you breathe out (exhale) .

A) less than a half liter; more than a half liter
B) more than a half liter; less than a half liter
C) slightly more than a half liter; slightly more than a half liter
D) slightly more than a liter; less than a liter
E) slightly more than a liter; slightly more than a liter