Final answer:
An AP bladder shot is centered at the pubic symphysis with the x-ray beam directed perpendicularly to the image receptor to clearly visualize the bladder.
Step-by-step explanation:
The angle and centering for a coned Anteroposterior (AP) bladder shot, which is an imaging technique used in radiography, are specific to the imaging requirements and patient anatomy. Typically, the AP bladder radiograph is centered at the pubic symphysis, which is the joint where the left and right pubic bones meet in the lower front area of the pelvis. As for the angle, the x-ray beam should be directed perpendicularly to the plane of the image receptor. This ensures that the bladder, which is the focus of this imaging process, is clearly visible and well-defined on the resulting radiograph.