Final answer:
A CT scan (computed tomography scan) is used to view a cross section of an organ by using computer processing of X-ray measurements from different angles to produce a cross-sectional view.
Step-by-step explanation:
The procedure that is performed to view a cross section of an organ is a CT scan (computed tomography scan).
A CT scan uses computer processing of many X-ray measurements from different angles to produce a cross-sectional view (virtual slices) of the organ.