In Helical CT, Pitch Is Defined as

In helical CT, pitch is defined as

A) the ratio of the patient's movement through the gantry during one 360-degree beam rotation relative to the beam collimation.
B) the total time for a patient to move through the gantry during a CT scan.
C) the ratio of the beam collimation relative to the mAs for a CT scan.
D) the coordination of a patient's possible movement,
E) g., breathing, during the CT scan relative to slice thickness.