Lecture 9: Transport of Gas by Blood Flashcards
1
Q
Amount of oxygen transporte din the blood
A
Low
2
Q
Amount of oxygen transported on hemaglobin?
A
high
3
Q
Oxyen doesnt bind to hemaglobin unless?
A
its dissolved
4
Q
Hemaglobin
A
4 heme roups bound to globin protein
5
Q
When Oxygen binds to HB what happens?
A
H+ is released from histadine
6
Q
Low pH
A
High H_, decrease oxygen binding
7
Q
1 gram of HB can bind?
A
1.39mL of O2/dL of blood
8
Q
Normla HB
A
15g/dL of blood
9
Q
p50 measures?
A
Hb binding affinity
10
Q
Does CO2 have a greater or lesser ability to be transported when diffused than oxygen?
A
greater
11
Q
Protein bound CO2
A
Carbamino compounds
Bicarb (90%)
12
Q
All exhaled CO2 comes from?
A
dissolved state
H+ ion elimated by breathing off CO2
13
Q
Normal arteroal CO2
A
40mmHG
14
Q
Normal venous CO2
A
45 mmHg