Arteries like veins, are tube-shaped vessels that carry blood in the body.
But the difference is that the artery carries oxygenated blood away from the heart to the body. But the veins carry poor-oxygen blood back from the body to the heart!
I hope this helps! :)
Beacuse they died long time ago
The nurse should make a note of it so that the doctor will know not to prescribe this particular medicine.