OnlineMedEd Shared "Mechanics and Regulation of Respiration" - 2 Picmonics
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Mechanics and Regulation of Respiration
Alveolar Gas Exchange
- Characteristics
- Pulmonary Artery Blood is O2-Poor, CO2-Rich
- Two-Cell Thick Air-Blood Barrier
- CO2 Diffuses Into Air
- O2 Diffuses Into Blood
- Gases Equilibrate
- Pulmonary Vein is O2-Rich, CO2-Poor
- Thermoregulation
2 mins
Alveolar Gas Equation
- Equation
- Partial Pressure of Alveolar Oxygen (PAO2)
- Partial Pressure of Oxygen in the Inspired Air (PIO2)
- PIO2 Normally Approximated = 150 mmHg
- Arterial Partial Pressure of CO2 (PaCO2)
- Respiratory Quotient (R)
- R Normally Approximated = 0.8
- PAO2 = PIO2 - (PaCO2/R)
1 min
