Contrast medium experiment with a blood vessel model

Article no. P2541905 | Type: Experiments

45 Minutes
45 Minutes
grades 10-13 , University
Students
heavy

Principle

When a blood vessel model is irradiated with X-rays, the blood vessels themselves are not visible at first. It is only after the injection of a contrast medium that the blood vessels become visible.

Benefits

  • Effective demonstration of how a contrast medium can be visualized with X-rays
  • Excellent entry-level experiment for medical students

Tasks

  1. Inject a 50% potassium iodide solution into the blood vessel model.
  2. Observe the fluorescent screen of the X-ray basic unit to follow the course taken by the injected solution in the blood vessel model.

Learning objectives

  • X-ray radiation
  • Bremsstrahlung
  • Characteristic radiation
  • Law of absorption
  • Mass absorption coefficient
  • Contrast medium

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