Antagonists: Receptors

Summary

You have seen that you can use combinations of agonists and antagonists to find out about:
  1. The types of receptor present in a tissue
  2. Where new agonists and antagonists act in a tissue

In the next screen, you are given a choice of agonists and antagonists. Your aim is to use combinations of these drugs to find out, as far as possible, what receptors are present in the guinea pig ileum.