________ Obtaining a medical history from a patient is an example of an administrative competency

The purpose of the photodetector on the Diagnostica Stago STA Compact is to:

a. Measure an increase in absorbance caused by the interaction of VWF with its monoclonal antibody b. Measure an increase in transmittance caused by the interaction of D-dimer fragments in the patient's plasma with its monoclonal antibody c. Promote the ball's oscillation movement through the electromagnetic sensors d. Measure the amount of cleavage of p-nitroaniline

The vessel central to the four chambers of the heart on axial CT images is the ____________________

Fill in the blank(s) with correct word