ANALYSIS QUESTIONS: 1. Make a graph similar to the one at the front of this lab handout to show your results in graph format. Answer questions # 2 -4 in the table above. 2. Using your data, calculate the Average Functional Residual Capacity (FRC) based on your averages in the table. This is the amount of air remaining in the lungs after normal exhalation, FRC = ERV + RV. Assume RV is about 1L or 1000mL. 3. Using your data, calculate the Inspiratory Capacity (IC) based on your averages in the table. The amount of air which can be inhaled after normal expiration, IC = TV + IRV. 4. Using your data, calculate the Total Lung Capacity (TLC) based on your averages in the table. This is the amount of air contained in the lungs after a maximal inhalation, TLC = TV + IRV + ERV + RV.

Biomedical Instrumentation Systems
1st Edition
ISBN:9781133478294
Author:Chatterjee
Publisher:Chatterjee
Chapter11: Instrumentation In Respiration
Section: Chapter Questions
Problem 1P
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Question
Do the averages and a graph
Volume Measurement (L)
Tidal Volume (TV)
Expiratory Reserve Volume (ERV)
Vital Capacity(VC)
Inspiratory Capacity (IC)
Total Lung Capacity (TLC)
Class Data:
Mean
Median
Mode
Range
ANALYSIS QUESTIONS:
1. Make a graph similar to the one at the front of this lab handout to show your results in graph
format.
Answer questions # 2 -4 in the table above.
2. Using your data, calculate the Average Functional Residual Capacity (FRC) based on
your averages in the table. This is the amount of air remaining in the lungs after normal
exhalation, FRC = ERV + RV. Assume RV is about 1L or 1000mL.
3. Using your data, calculate the Inspiratory Capacity (IC) based on your averages in the
table. The amount of air which can be inhaled after normal expiration, IC = TV + IRV.
4. Using your data, calculate the Total Lung Capacity (TLC) based on your averages in the
table. This is the amount of air contained in the lungs after a maximal inhalation, TLC = TV +
IRV + ERV + RV.
Answer the following in the space provided:
5. How did your respiratory volumes and capacities compare to the class average (mean) for
each?
6. What are possible explanations for your deviation from the normal averages if they exist?
7. What are some factors that could negatively affect respiratory volumes and capacities?
8. What are some factors that could positively affect respiratory volumes and capacities?
9. What are some of the consequences of unhealthy behavior related to respiratory
functions?
Transcribed Image Text:Volume Measurement (L) Tidal Volume (TV) Expiratory Reserve Volume (ERV) Vital Capacity(VC) Inspiratory Capacity (IC) Total Lung Capacity (TLC) Class Data: Mean Median Mode Range ANALYSIS QUESTIONS: 1. Make a graph similar to the one at the front of this lab handout to show your results in graph format. Answer questions # 2 -4 in the table above. 2. Using your data, calculate the Average Functional Residual Capacity (FRC) based on your averages in the table. This is the amount of air remaining in the lungs after normal exhalation, FRC = ERV + RV. Assume RV is about 1L or 1000mL. 3. Using your data, calculate the Inspiratory Capacity (IC) based on your averages in the table. The amount of air which can be inhaled after normal expiration, IC = TV + IRV. 4. Using your data, calculate the Total Lung Capacity (TLC) based on your averages in the table. This is the amount of air contained in the lungs after a maximal inhalation, TLC = TV + IRV + ERV + RV. Answer the following in the space provided: 5. How did your respiratory volumes and capacities compare to the class average (mean) for each? 6. What are possible explanations for your deviation from the normal averages if they exist? 7. What are some factors that could negatively affect respiratory volumes and capacities? 8. What are some factors that could positively affect respiratory volumes and capacities? 9. What are some of the consequences of unhealthy behavior related to respiratory functions?
Respiratory Volumes and Capacities
6,000,
1
5,000 Inspiratory
4,000 volume
3,000-
Name:
reserve
2,000 Tidal
1,000
www w MM
MATERIALS:
Wet Spirometer and Mouthpieces
volume
Residual-
volume
Tidal Volume (TV)
PROCEDURE:
1. Using your own paper, write a title, purpose and hypothesis for this activity. Include a data table like
the one shown on the following page. Use a wet spirometer to measure and calculate the respiratory
volumes and capacities listed below for each experiment.
2. Record results in data table.
3. Repeat twice and calculate the average.
Experiment 1: Measuring TIDAL VOLUME
Measure the amount of air exhaled or inhaled during normal, quiet breathing (TV) The student
should sit by the spirometer, breathing quietly and normally for about a minute.
After inhaling a normal breath, place the mouthpiece between the lips (get a good "seal") and
exhale in a normal, unforced way, into the spirometer mouthpiece. The volume should be read
and recorded from the horizontal scale.
Vital Capacity (VC)
Experiment 2: Measuring EXPIRATORY RESERVE VOLUME
Measure the amount of air that can be forcibly breathed out after normal expiration (ERV). The
student stands, breathing normally for a minute or so, then, after a normal exhalation puts the
mouthpiece between the lips, and forcibly exhales all the additional air possible.
Expiratory Reserve Volume (ERV)
Experiment 3: Measuring INSPIRATORY RESERVE VOLUME
Measure the amount of air that can be inhaled following normal TV inhalation (IRV) Standing,
the student breathes normally for a minute; then breathes as deeply as possible. With the
mouthpiece inserted, the student then exhales normally, without forcing the air out. The IRV
reading is obtained by subtracting the student's TV from the reading recorded on the spirometer.
Inspiratory Reserve Volume (IRV)
Residual Volume (RV)
Experiment 4: Measuring VITAL CAPACITY
Measure the maximum amount of air which can be forcibly exhaled immediately following a
maximal inhalation (VC) (VC=TV+ IRV + ERV). Standing, the student slowly and deeply
breathes in and out for a while, then breathes in as deeply as possible, places the spirometer
mouthpiece in position, and breathes out as forcibly as possible.
Functional
residual
Expiratory capacity
reserve volume
Functional Residual Capacity
(FRC)
Inspiratory Capacity (IC)
Vital capacity
capacity
Total Lung Capacity (TLC)
Inspiratory
Volume I
0.4L
Individual Data:
1.0 L
2.4L
4.0 L
1.2 L male
9 L female
Total lung
capacity
Volume II
0.6 L
0.6 L
3.3 L
4.4L
Class Data:
1.2 L male
9 L female.
......
Block:
1.4 L
Volume III Average
0.5 L
3.3 L
4.8 L
Date:
1.2 L male
9 L female
1.2 L male
.9 L female
Transcribed Image Text:Respiratory Volumes and Capacities 6,000, 1 5,000 Inspiratory 4,000 volume 3,000- Name: reserve 2,000 Tidal 1,000 www w MM MATERIALS: Wet Spirometer and Mouthpieces volume Residual- volume Tidal Volume (TV) PROCEDURE: 1. Using your own paper, write a title, purpose and hypothesis for this activity. Include a data table like the one shown on the following page. Use a wet spirometer to measure and calculate the respiratory volumes and capacities listed below for each experiment. 2. Record results in data table. 3. Repeat twice and calculate the average. Experiment 1: Measuring TIDAL VOLUME Measure the amount of air exhaled or inhaled during normal, quiet breathing (TV) The student should sit by the spirometer, breathing quietly and normally for about a minute. After inhaling a normal breath, place the mouthpiece between the lips (get a good "seal") and exhale in a normal, unforced way, into the spirometer mouthpiece. The volume should be read and recorded from the horizontal scale. Vital Capacity (VC) Experiment 2: Measuring EXPIRATORY RESERVE VOLUME Measure the amount of air that can be forcibly breathed out after normal expiration (ERV). The student stands, breathing normally for a minute or so, then, after a normal exhalation puts the mouthpiece between the lips, and forcibly exhales all the additional air possible. Expiratory Reserve Volume (ERV) Experiment 3: Measuring INSPIRATORY RESERVE VOLUME Measure the amount of air that can be inhaled following normal TV inhalation (IRV) Standing, the student breathes normally for a minute; then breathes as deeply as possible. With the mouthpiece inserted, the student then exhales normally, without forcing the air out. The IRV reading is obtained by subtracting the student's TV from the reading recorded on the spirometer. Inspiratory Reserve Volume (IRV) Residual Volume (RV) Experiment 4: Measuring VITAL CAPACITY Measure the maximum amount of air which can be forcibly exhaled immediately following a maximal inhalation (VC) (VC=TV+ IRV + ERV). Standing, the student slowly and deeply breathes in and out for a while, then breathes in as deeply as possible, places the spirometer mouthpiece in position, and breathes out as forcibly as possible. Functional residual Expiratory capacity reserve volume Functional Residual Capacity (FRC) Inspiratory Capacity (IC) Vital capacity capacity Total Lung Capacity (TLC) Inspiratory Volume I 0.4L Individual Data: 1.0 L 2.4L 4.0 L 1.2 L male 9 L female Total lung capacity Volume II 0.6 L 0.6 L 3.3 L 4.4L Class Data: 1.2 L male 9 L female. ...... Block: 1.4 L Volume III Average 0.5 L 3.3 L 4.8 L Date: 1.2 L male 9 L female 1.2 L male .9 L female
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