In Helical CT, Pitch Is Defined as

question 9

Multiple Choice

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.

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