Steve Used a Spirometer to Analyze His Respiratory Capacities

question 8

Short Answer

Steve used a spirometer to analyze his respiratory capacities.He found the following results:
A. After normal inspiration,a normal expiration was 500 ml.
B. After a normal expiration,he was able to expel an additional 1000 ml.
C. Taking as deep a breath as possible,then forcefully exhaling all the air possible,he yielded an output of 4500 ml.
Based on the outcome of these measurements,what is Steve's inspiratory reserve?