Question

X-ray imaging of the arterial blood vessels in the brain after injection of contrast material

Answer 1

X-ray imaging of the arterial blood vessels in the brain after injection of contrast material is Cerebral Angiography.
During this imaging, the contrast material is injected into femoral artery that is present in the thigh and then x-ray motion pictures are taken, these images are taken to detect the presence of vascular disease in the brain.