Answer:
Pacha's friend is describing is known as an: agonist.
Step-by-step explanation:
What Pacha´s friend is explaning is that there are certain drogs that attached to the neurotransmitter receptor and this makes the drog produce an effect of mimicking common neural activities
There are a lot of drugs that can alter the synapsis among neurons, which is the the comunication of the nervous cells. Agonist is the effect of a drug that increases the activity of the synapsis.