Competitive antagonists shift the dose-effect curve for an agonist (e.g. the endogenous neurotransmitter) to the right, but this effect can eventually be overcome by enough agonist concentration.
Permissions for creative use of the resources from Neurotorium
Permission is granted to download images, slides and videos and use them in your own presentations, provided that copyright notices and the Neurotorium logo are not hidden or removed. For use in publications and on websites, proper attribution must be provided together with a link to Neurotorium.org