(1) Pacemaker Potential.
Describe the mechanism of the Pacemaker Potential in SA node. How does it make a nodal cell reach the threshold without any external stimulus?
(2) Hemoglobin Saturation
Please explain why the Pulse Oximeter almost never reads 100%?
(3) Blood Group Incompatibility
Question: Can a B blood group Mother have an 'A' blood group baby? Please explain your answer as to why the 'A' type antibodies in mom will not agglutinate the 'A' antigen on the baby's RBC's.