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In this section, I'm going to cover pharmacode dynamics, some important terminology, and

some kind of common sense things that you need to know. So first off, some basic terminology that's

really, really important to know. This impacts kind of how drugs work in the body. And I would say

the two most important terms are agonist and antagonist.

So an agonist is something that stimulates a receptor or causes a physiological response.

And I've got examples coming up here as well. So again, agonist stimulates. That's a good

way to remember that. An antagonist is often called a blocker or it blocks a physiological

function. So those two are really, really important. We also have things that are called partial agonists. There aren't a lot of drugs that work this way. But a good example of that is a partial agonist at the opioid receptor. Buprinorphin is a good example of that where it kind of stimulates the opioid receptor. Buprinorphin is a good example of that,

where it kind of stimulates the opioid receptor,

but doesn't allow other medications to stimulate it too far

and get patients into opioid overdose.

...