An x-ray examination of a blood vessel after the injection of a contrast medium to evaluate the function and structure of one or more arteries is a(n) _______.

Contrast Medium

A substance used in medical imaging to improve the contrast of structures or fluids within the body to allow for clearer imaging results.

Blood Vessel

Cylindrical structures responsible for transporting blood across the body, encompassing arteries, veins, and capillaries.

X-ray Examination

A diagnostic procedure using X-rays, a form of electromagnetic radiation, to view internal structures of the body.