O2 content of blood Flashcards
1
Q
O2 content
A
O2 content = O2 binding capacity x % sat + dissolved O2
2
Q
How much O2 can bind to Hb
A
1g of Hb can bind 1.34mL of O2;
normal Hb amount in blood in 15g/dL
3
Q
Cyanosis
A
Cyanosis when deoxygenated Hb> 5g/dL
4
Q
O2 binding capacity
A
20.1 mL O2/dL
5
Q
O2 content of arterial blood
A
Drops as Hb falls,
but O2 sat and arterial PO2 do not.
6
Q
Oxygen delivery to tissue
A
Cardiac output x O2 content of blood
