Intro to Pharmacology Flashcards
1
Q
What is an antagonist?
A
A drug that blocks the effect of an agonist.
2
Q
Define EC50.
A
The drug concentration that produces 50% maximal effect.
3
Q
What does a small EC50 say about a drug’s potency?
A
Small EC50 = highly potent
4
Q
What is Kd a measure of?
A
Affinity
5
Q
What is tachyphylaxis?
A
Drug desensitization
