Pharmacology Flashcards
1
Q
What are spare receptors?
A
The concentration of an agonist may not occupy all the available receptors. Those not occupied are said to be spare.
2
Q
What is an agonist?
A
An agonist is a drug that has receptor affinity and intrinsic activity.
3
Q
What is an antagonist?
A
An agonist is a drug that has receptor affinity but no intrinsic activity
4
Q
What is an inverse agonist?
A
A drug that has receptor affinity and intrinsic activity. But the activity is the opposite effect of the endogenous ligand.
