The Loss of Radiographic Image Resolution Is Often Referred to as Unsharpness.All

The loss of radiographic image resolution is often referred to as unsharpness.All of the following contribute to total image unsharpness except the

A) size and shape of the patient's anatomy.
B) pixel size of the image receptor (IR) and monitor display.
C) size and shape of the exposure field (collimation) .
D) image geometry factors such as SID,OID,and focal spot size.