PhysioEx Exercise 7 Activity 2
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Augusta Technical College *
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2114
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Health Science
Date
Dec 6, 2023
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7
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PhysioEx Exercise 7 Activity 2
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PhysioEx Lab Report
Exercise 7: Respiratory System Mechanics
Activity 2: Comparative Spirometry
Name: Nicole Fohrman
Date: 16 October 2023
Session ID: session-8745cdf0-f2c3-50f0-7531-deef5759c64a
Pre-lab Quiz Results
You scored 100% by answering 5 out of 5 questions correctly.
Experiment Results
Predict Questions
A normal resting tidal volume is expected to be around
You correctly answered:
500 ml.
1
Which respiratory process is impaired the most by emphysema?
You correctly answered:
expiration.
2
During an asthma attack
You correctly answered:
inspiration and expiration are impaired.
3
During moderate aerobic exercise, which respiratory variable increases the most?
You correctly answered:
tidal volume.
4
Inhaler medications for an asthma patient are designed to
You correctly answered:
dilate the patient's bronchioles.
5
Predict Question 1: With emphysema, there is a significant loss of elastic recoil in the lung
tissue and a noticeable, exhausting muscular effort is required for each expiration.
Inspiration actually becomes easier because the lung is now overly compliant.
Using the spirogram, calculate the lung value most affected by the emphysema condition.
Your answer:
FEV .
1
1
Predict Question 2: During an acute asthma attack, airway resistance is significantly
increased by (1) increased thick mucous secretions and (2) airway smooth muscle spasms.
2
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Stop & Think Questions
To which lung value in the spirogram would you see the greatest change in a patient
suffering from an acute asthma attack?
Your answer:
FEV .
1
Predict Question 3: When an acute asthma attack occurs, many people seek relief from the
increased airway resistance by using an inhaler. This device atomizes the medication and
induces bronchiole dilation (though it can also contain an anti-inflammatory agent).
Which lung value remained relatively unchanged when comparing a patient with an acute
asthma attack, acute asthma attack with inhaler, and normal?
Your answer:
RV.
3
Predict Question 4: During moderate aerobic exercise, the human body will change its
respiratory cycle in order to meet increased metabolic demands. During heavy exercise,
further changes in respiration are required to meet the extreme metabolic demands of the
body.
Which lung value will change more during moderate exercise, the ERV or the IRV?
Your answer:
IRV.
4
When obstructive lung disease develops, what happens to the FEV
(%)?
You correctly answered:
It decreases.
1
1
Compared with the normal patient, what happened to the FVC in this patient?
You correctly answered:
It decreased.
2
Compared with the normal patient, what happened to the FEV
in this patient?
You correctly answered:
It decreased.
3
1
Compared with the normal patient, what happened to the FVC in this patient?
You correctly answered:
It decreased.
4
Compared with the normal patient, what happened to the FEV
in this patient?
You correctly answered:
It decreased.
5
1
Which value in the spirogram never changed from that of the normal patient?
6
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Experiment Data
Patient Type
TV
ERV
IRV
RV
FVC
TLC
FEV
FEV (%)
Heavy Exercise
3650
750
600
1000
ND
6000
ND
ND
Moderate Exercise
1875
1125
2000
1000
ND
6000
ND
ND
Asthma Attack Plus
Inhaler
500
1500
2800
1200
4800
6000
3840
80%
Acute Asthma
Attack
300
750
2700
2250
3750
6000
1500
40%
Emphysema
500
750
2000
2750
3250
6000
1625
50%
Normal
500
1500
3000
1000
5000
6000
4000
80%
You correctly answered:
TLC.
For both types of exercise, the tidal volumes and breathing rates were increased. Compared
with normal values, did tidal volume or breathing rate increase more during moderate
exercise? (Determine the percentage by which each value changed.)
You correctly answered:
tidal volume.
7
1
1
Normal
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Emphysema
Acute Asthma Attack
Asthma Attack Plus Inhaler
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Post-lab Quiz Results
You scored 100% by answering 5 out of 5 questions correctly.
Moderate Exercise
Heavy Exercise
Which of the following respiratory values represents a decreased
flow rate
during the
obstructive lung disease(s)?
You correctly answered:
FEV .
1
1
Calculate the ERV of an individual with the following respiratory volumes: TLC = 6000 ml, FVC
= 4800 ml, RV = 1200 ml, IRV = 2900 ml, TV = 500 ml.
You correctly answered:
1400 ml.
2
Calculate the FVC of an individual with the following respiratory volumes: RV = 1000 ml, IRV =
3000 ml, TV = 500 ml, ERV = 1500 ml.
3
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Review Sheet Results
You correctly answered:
5000 ml.
What is the largest volume for the normal patient?
You correctly answered:
IRV.
4
What happened to the RV for the emphysema patient and the asthmatic patient?
You correctly answered:
It decreased for both patients.
5
What lung values changed (from those of the normal patient) in the spirogram when the
patient with emphysema was selected? Why did these values change as they did? How well
did the results compare with your prediction?
Your answer:
i guess my prediction was correct, ERV, RV, IVR, FVC, FEV1, & FEV% all changed since the
lungs had increased difficulty deflating fully.
1
Which of these two parameters changed more for the patient with emphysema, the FVC or
the FEV
?
Your answer:
FEV1.
2
1
What lung values changed (from those of the normal patient) in the spirogram when the
patient experiencing an acute asthma attack was selected? Why did these values change as
they did? How well did the results compare with your prediction?
Your answer:
TV, ERV, IRV, RV, FVC, FEV1, FEV% all changed since the airway was obstructed.
3
How is having an acute asthma attack similar to having emphysema? How is it different?
Your answer:
its similar because both cause obstruction in the lungs, but its more difficult for someone
with emphysema to exhale versus someone with acute asthma.
4
Describe the effect that the inhaler medication had on the asthmatic patient. Did all
spirogram values return to "normal"? Why do you think some values did not return all the
way to normal? How well did the results compare with your prediction?
Your answer:
5
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the inhaler made several values return to normal however it did not cause all values to
return to normal.
How much of an increase in FEV
do you think is required for it to be considered significantly
improved by the medication?
Your answer:
20-25% for significant improvement.
6
1
With moderate aerobic exercise, which changed more from normal breathing, the ERV or the
IRV? How well did the results compare with your prediction?
Your answer:
my prediciton was correct because the IRV changed more significantly.
7
Compare the breathing rates during normal breathing, moderate exercise, and heavy
exercise.
Your answer:
the breathing rate for heavy exercise increased significantly more than moderate exercise
but both had increases.
8