Wet Spirometer Lab Report

INTRODUCTION Both a safe and practical procedure that provides quality feedback regarding the subject, a spirometer is an instrument that measures the volume of gas moved during pulmonary ventilation (Johns, 2014). This lab experiment was conducted using a wet spirometer. Described as a noninvasive technique to measure an individual’s respiration rate, the wet spirometer consisted of a plastic bell that sat in a rectangular water filled tank (Langhan, 2009). The tube that ran through the water filled tank was responsible for moving air above the water level into a floating plastic bell. Because the spirometer was a non recording spirometer, only expired air volumes were able to be measured. With an accredited researcher proving that continued …show more content…
One plastic bell.
One rectangular tank.
One indicator. Water.
One disposable cardboard mouthpiece.
One flexible tube.
PROCEDURE
1. The procedure began with recording the subject’s respiration rate.
2. Once the respiration rate was recorded, the indicator on the spirometer was reset to zero. As each of the three trials was conducted, the indicator was reset to zero.
3. Next, the disposable cardboard mouthpiece was obtained and placed at the end of the valve assembly.
4. Following this step, the tidal volume, expiratory reserve volume, and the vital capacity were measured three times each.
5. With the data and averages collected from each measurement, these numbers were used to calculate the inspiratory reserve average.
6. Finally, after all the trials concluded and the averages were discovered, the found information was entered into a table.
ANALYSIS
The Correlation of VT, ERV, and VC to IRV

Tidal Volume …show more content…
The table also shows the inspiratory reserve volume. This number was found by subtracting the measurements of the tidal volume and the expiratory reserve volume from the vital capacity. Finally, the chart displays the average of the measurements that were obtained by adding trials one through three together and dividing by three.
CONCLUSION
Although a minute amount of physicians use spirometry to detect respiration difficulties, the conclusion drawn from this experiment proved that physicians should (Cantey, 2014). The outcome of the experiment showed that with continued use, a spirometer can improve respiration (Rondinel, 2015). The results displayed that after each trial, the measurement of both the tidal volume and the vital capacity continually increased. In opposition to this, the measurement of the expiratory reserve volume decreased the second trial and increased the third trial. This error could have resulted in the subject not adequately following the directions of inhaling and exhaling normally before exhaling as hard as possible into the cardboard mouthpiece. Although this mistake occurred, the subject’s average inspiratory reserve volume of approximately two thousand eight hundred and eightythree milliliters was within the normal range of one thousand nine hundred to three thousand one hundred

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