pharmacy
Which of the following describes an agonist?
A) Any substance that brings about a change in biologic function through its chemical action
B) A specific regulatory molecule in the biologic system where a drug interacts
C) A drug that binds to a receptor and stimulates cellular activity
D) A drug that binds to a receptor and inhibits or opposes cellular activity
E) A drug directed at parasites infecting the patient
C
C