Transport Of Oxygen And Carbondioxide Flashcards
State the atmospheric pressure
760mmHg
Percentage composition of nitrogen in atmospheric air
78.62%
Percentage composition of oxygen in atmospheric air
20.84%
Percentage composition of cabondioxide in atmospheric air
0.04%
Percentage composition of water in atmospheric air
0.5%
Water vapor pressure at 37*C ?
47mmHg
Solubility coefficient of oxygen
0.024
Solubility coefficient of carbondioxide
0.57
Solubility coefficient of carbonomonoxide
0.018
Solubility coefficient of nitrogen
0.012
Solubility coefficient of helium
0.008
% of oxygen that combine with haemoglobin
98%
% of oxygen that is dissolved in blood plasma
<2%
Requirement of oxygen by resting body
250ml of Oxygen/minute
Each molecule of haemoglobin can carry how many molecules of oxygen
4 molecules of oxygen
What shape is the oxygen hemoglobin curve?
Sigmoid shape
What is the ceiling for tissue partial pressure of oxygen?
40mmHg
pH of arterial blood
7.41
pH of venous blood
7.37
Partial pressure in lungs
100mmHg
Partial pressure of oxygen in lungs at sea level and hemoglobin saturation rate
100mmHg ; 98% saturated
PP of oxygen in lungs at high elevation and percentage saturation of hemoglobin
80mmHg ; 95% staurated
PP in actively contracting muscles and percentage saturation of hemoglobin
20mmHg ; 35% saturated
PP in other normal ttissues of the body and degree of hemoglobin saturation
40mmHg ; 75%
