When a nonionic contrast agent is injected into an artery such as the carotid,visualization of the artery and its branches occurs because
A) blood in the artery chemically changes into iodine.
B) iodine in the contrast agent mixes with blood and makes the artery radiopaque.
C) the contrast medium makes the artery easier to penetrate at the optimum kVp.
D) the contrast agent changes into a radiopharmaceutical.

Question

Quizplus · Accepted Answer

Nonionic contrast agents contain iodine molecules that mix with the blood and make the artery radiopaque, creating contrast and allowing for visualization of the artery and its branches.

When a Nonionic Contrast Agent Is Injected into an Artery