An _______ is a drug that affects receptors on a target neuron by _______.
A) agonist; replicating the effects of a particular neurotransmitter
B) antagonist; replicating the effects of a particular neurotransmitter
C) agonist; changing how it reacts when a particular neurotransmitter makes contact
D) antagonist; changing how it reacts when a particular neurotransmitter makes contact

Question

Quizplus · Accepted Answer

An agonist is a drug that mimics or enhances the effects of a particular neurotransmitter. It binds to the receptor sites on the target neuron and causes the same response as the neurotransmitter would, therefore increasing its activity. This is different from an antagonist, which blocks or reduces the activity of a neurotransmitter.

An _______ Is a Drug That Affects Receptors on a Target