A&P Exam II Numbers Flashcards
ALL ANSWERS ARE NUMBERS!
ERV
1.5 L
FRC
3.0 L
IC
3.0 L
IRV
2.5 L
RV
1.5 L
TLC
6.0 L
VA
350 mL
Vas
150 mL
VC
4.5 L
VT
0.5 L
CO2%
0.04%
N2%
79%
O2%
21%
Pcap
7 mmHg
Pis
-8 mmHg
Interstitial capillary onotic pressure (is)
14 mmHg
Pulmonary capillary oncotic pressure (cap)
28 mmHg
Atmospheric: PCO2
0.3 mmHg
PCO2
45 mmHg
PA
0 mmHg
PATM
760 mmHg or torr or 1 atm
PEL/ER
5 mmH2O
PIP/PL
-5 cmH2O
PIP/PL (Apex @ FRC)
-8.5 cmH2O
PIP/PL (Base @ FRC)
-1.5 cmH2O
PTP
5 cmH2O
Total Pressure
760 mmHg
Pressure at which we reach maximum lung volume
25-30 cmH2O
Airflow: into the lungs
-0.5 L/s
Airflow speed: Out the lungs
0.5 L/s
Pulmonary blood flow
5 L/min
VA (rate)
4.2 L/min
Vas/D (rate)
1.8 L/min
VT/E (rate)
6 L/min
Fluid-air surface tension forces in the alveoli
2/3
Tissue elastic forces
1/3
1 L RA
21%
Surfactant Composition: Lipid
90%
Surfactant Composition: Protein
10%
Unsaturated phosphatidylcholine
31%
Dipalmitoylphosphatidylcholine % of surfactant lipid
31%
Lung volume at which most alveoli are empty and/or collapsed
20%
TPP at which most alveoli begin to open
8 cmH2O
pN2
600.3 mmHg
Atomsphere: PO2
159.0 mmHg
PaO2
100 mmHg
PIO2
149.0 mmHg
PICO2
0.3 mmHg
PIN2
564.0 mmHg
PIH2O
47.0 mmHg