The Respiratory System and Ventilation Lab Activities
The Respiratory System &
Ventilation
Lab 7
Lab 7 Activities
Biopac L08-Respiratory Cycle
1: Pneumography
PhysioEx Respiratory System Mechanics
(computer simulations of spirometry)
Respiratory System Structure
Respiratory System Muscles
Muscles of
inspiration
–
diaphragm
–
external intercostals
Muscles of
expiration
–
internal intercostals
–
abdominals
Pulmonary
Ventilation:
Inspiration +
Expiration
CO
CO
2
2
& Ph Levels Influence
& Ph Levels Influence
Ventilation Rate
Ventilation Rate
Bicarbonate formation driven by the RBC
enzyme: carbonic anhydrase
C
O
2
+
H
2
0
⇌
H
2
C
O
3
-
⇌
H
C
O
3
-
+
H
+
O
O
2
2
and CO
and CO
2
2
Transport
Transport
Gas exchange in the tissues
Control of Respiration
Control of Respiration
B
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p
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Lung Volumes and Capacities
Pulmonary volumes are measured
Pulmonary capacities are calculated
Biopac Set up
Biopac Set up
The respiration transducer- channel 1
The temperature transducer- channel 2
Place the respiration transducer over light
clothing, around the chest, above the nipples
and below the armpits.
Make sure during a maximum expiration it is
still snug. Take time calibrating as it is
sensitive to tension changes.
BioPac Collecting Pneumogram Data
BioPac Collecting Pneumogram Data
Calibration:
Expect lots of trial and error
positioning the thermistor and pneumograph
transducer
Treatment 1: normal breathing 15 seconds
Treatment 2: hyperventilation 30 seconds
followed by normal breathing 30 seconds
Treatment 3: hypoventilation 30 seconds
followed by normal breathing 30 seconds
Treatment 4: cough once followed by reading
aloud 30 seconds
BioPac Pneumogram Calibration
BioPac Pneumogram Calibration
BioPac Pneumogram Example Data
BioPac Pneumogram Example Data
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BioPac Data Analysis:
BioPac Data Analysis:
Measuring Inspiration
Measuring Inspiration
BioPac Data Analysis:
BioPac Data Analysis:
Measuring Exhalation
Measuring Exhalation
BioPac Data Analysis:
BioPac Data Analysis:
Measuring Ventilation
Measuring Ventilation
Repeat these measurements for all the treatments!
Use the RECOVERY SECTIONS!
PhysioEx 7: Respiratory System
Mechanics
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1
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Record data
Record data
in Table 4 on
in Table 4 on
page 7-12 of
page 7-12 of
lab manual.
lab manual.
PhysioEx 7: Respiratory System
Mechanics
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Record data
Record data
in Table 5 on
in Table 5 on
page 7-13 in
page 7-13 in
Lab Manual
Lab Manual
PhysioEx 7: Respiratory System
Mechanics
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A
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Record data
Record data
in Table 6 on
in Table 6 on
page 7-13 in
page 7-13 in
Lab Manual
Lab Manual
What you will turn in
1.
Pages 7-11 through 7-13.
2.
A labeled printout of the pneumogram
from Biopac. See page 7-11, question 2
for details on what to label.
3.
MasteringAandP activity 7 is due next
Friday.
The End
Lab 7
Pulmonary Inspiration - Summary
Pulmonary Expiration - Summary
Dive into the intricate workings of the respiratory system and explore various lab activities related to ventilation. From studying respiratory cycles to simulating spirometry, understanding muscle functions, exploring gas exchange in tissues, and controlling respiration, this comprehensive guide provides insights into the mechanisms that govern breathing. Learn about lung volumes and capacities, set up Biopac equipment, collect pneumogram data, and conduct different treatments to analyze respiratory responses.
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Presentation Transcript
The Respiratory System & Ventilation Lab 7
Lab 7 Activities Biopac L08-Respiratory Cycle 1: Pneumography PhysioEx Respiratory System Mechanics (computer simulations of spirometry)
Respiratory System Muscles Muscles of inspiration diaphragm external intercostals Muscles of expiration internal intercostals abdominals
Pulmonary Ventilation: Inspiration + Expiration
CO2& Ph Levels Influence Ventilation Rate Bicarbonate formation driven by the RBC enzyme: carbonic anhydrase CO2+H20 H2CO3- HCO3-+H+
O2and CO2Transport Gas exchange in the tissues
Biopac Spirometry Residual volume
Lung Volumes and Capacities Pulmonary volumes are measured Pulmonary capacities are calculated
Biopac Set up The respiration transducer- channel 1 The temperature transducer- channel 2 Place the respiration transducer over light clothing, around the chest, above the nipples and below the armpits. Make sure during a maximum expiration it is still snug. Take time calibrating as it is sensitive to tension changes.
BioPac Collecting Pneumogram Data Calibration: Expect lots of trial and error positioning the thermistor and pneumograph transducer Treatment 1: normal breathing 15 seconds Treatment 2: hyperventilation 30 seconds followed by normal breathing 30 seconds Treatment 3: hypoventilation 30 seconds followed by normal breathing 30 seconds Treatment 4: cough once followed by reading aloud 30 seconds
BioPac Pneumogram Example Data hyperventilation cough and then read hypoventilation normal breathing Recovery Recovery
BioPac Data Analysis: Measuring Inspiration
BioPac Data Analysis: Measuring Exhalation
BioPac Data Analysis: Measuring Ventilation Repeat these measurements for all the treatments! Use the RECOVERY SECTIONS!
PhysioEx 7: Respiratory System Mechanics Activity 1: Measuring Respiratory Volumes and Calculating Capacities Record data in Table 4 on page 7-12 of lab manual.
PhysioEx 7: Respiratory System Mechanics Activity 2: Comparative Spirometry Record data in Table 5 on page 7-13 in Lab Manual
PhysioEx 7: Respiratory System Mechanics Activity 3: Effect of Surfactant and Intrapleural Pressure on Respiration Record data in Table 6 on page 7-13 in Lab Manual
What you will turn in 1. Pages 7-11 through 7-13. 2. A labeled printout of the pneumogram from Biopac. See page 7-11, question 2 for details on what to label. 3. MasteringAandP activity 7 is due next Friday.
The End Lab 7
