There’s a quiet threshold every radiologic technologist crosses in training—a moment when you realize that contrast administration is not just a procedural task. It is a legal responsibility, an ethical commitment, and a test of your skill under pressure.

Pharmacology in radiologic technology is not abstract theory. It is the art of knowing who your patient is, what is safe for them, and how the contrast agent you’re about to administer will behave inside their body. And in that space, your preparation...