Which is the following graphs, A or B, represents the spirograph of the asthmatic patient after having been given a bronchodilator?

Basic Clinical Lab Competencies for Respiratory Care: An Integrated Approach
5th Edition
ISBN:9781285244662
Author:White
Publisher:White
Chapter24: Noninvasive Positive-pressure Ventilation
Section: Chapter Questions
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Which is the following graphs, A or B, represents the spirograph of the asthmatic patient after having been given a bronchodilator?
45
JLC
FEV
40
FVC
35
IRV
RV
ERV
30
25
Time in (seconds)
A
20
15
10
+
5
7000
6500
6000
0
5500
5000
4500
4000
3500
-3000
2500
2000
1500
1000
500
TLC
+
45
FVC
40
FEV₁
+
35
IRV
RV
30
25
Time in (seconds)
B
20
ERV
15
+
10
+
5
7000
6500
6000
5500
5000
4500
4000
-3500
3000
2500
2000
-1500
1000
500
0
Volume (millilitres)
Transcribed Image Text:Which is the following graphs, A or B, represents the spirograph of the asthmatic patient after having been given a bronchodilator? 45 JLC FEV 40 FVC 35 IRV RV ERV 30 25 Time in (seconds) A 20 15 10 + 5 7000 6500 6000 0 5500 5000 4500 4000 3500 -3000 2500 2000 1500 1000 500 TLC + 45 FVC 40 FEV₁ + 35 IRV RV 30 25 Time in (seconds) B 20 ERV 15 + 10 + 5 7000 6500 6000 5500 5000 4500 4000 -3500 3000 2500 2000 -1500 1000 500 0 Volume (millilitres)
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