Physiology Semester I- CO2 Transport in Blood

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1

does CO2 transport in the blood go wrong

no because tissues add CO2 and lungs remove CO2

2

how is CO2 carried in the blood

dissolved (free in solution) (small)

directly attached to Hb (carbaminoHb) (small)

as bicarbonate (CO2 hydrated in blood to form carbonic acid, then dissociates)

3

is the blood PCO2-CO2 content curve more steep or linear than the PO2-O2 content curve

both

4

how is most CO2 carried in the blood

HCO3

5

what do labs report

total of HCO3, dissolved CO2, and small H2CO3, carbaminoHb doesn't get counted

6

how is the lab result of total CO2 counted

HCO3

7

what gets buffered by HCO3

lactic acid and ketoacids

8

how is total CO2 listed

electrolyte along with Na, K, and Cl