Clarification on Inhibitor / Antagonist / Agonist
I've been working as a tech for five years, and found myself woefully and frustratingly unprepared for any of the practice exams. I've been using this site and a study guide to get ready for my test at the end of April, and I keep coming across things that I was either never taught or aren't covered in my study material on practice exams.
Practice Exam #4, question 11 is one of those things.
A drug class that causes a natural biological action to NOT occur is called :
The answer was C, and I followed the link back to drug class definitions, but was unable to puzzle out where it defined these (maybe I've got burnout and just can't see it right now).
So, an antagonist causes a natural biological action to NOT occur.
Can someone help me with a simple definition for the other three? Wikipedia is a bit too technical.