When Using Any Type of Contrast Agent for a Radiographic

Multiple Choice

When using any type of contrast agent for a radiographic examination,

A) the patient should have the final choice on the type of contrast used.
B) a thorough medical history must be taken by the imaging professional.
C) the cost of the contrast agent and options should be explained to the patient agent.
D) a radiopharmaceutical may be substituted for contrast material,in patients with a moderated risk factor.