Exam 3 - Lecture 4

Question 1

In order to find O2, you need 3 things

Answer 1

PO2, Hgb, and Hgb sat

Question 2

How is CO2 different than O2 when it comes to solubility in water?

Answer 2

CO2 doesn’t want to escape water like O2 does.

Question 3

when CO2 binds to terminal amine groups on proteins, what results for the protons?

Answer 3

The protons are liberated and will hang around in solution (blood)

the ones that aren’t buffered are the reason for drop in pH (acidosis)

Question 4

In comparison to arterial, venous blood has more or less protons, bicarb and carbamino CO2?

Answer 4

venous blood has more protons and carbamino CO2, but less bicarb.