In hemodynamic monitoring, what does zeroing refer to, and which one of the following does the nurse zero to? a. Cardiac output (CO) monitoring system to the level of the left ventricle b. Pressure...

In hemodynamic monitoring, what does zeroing refer to, and which one of the following does the nurse zero to?

a. Cardiac output (CO) monitoring system to the level of the left ventricle

b. Pressure monitoring system to the level of the catheter tip located in the client

c. Pressure monitoring system to the level of the atrium, identified as the midaxillary line

d. Pressure monitoring system to the level of the atrium, identified as the phlebostatic axis