Synaptic plasticity in response to psychoactive drugs can result in which of the following?
a. increase in the number of available neurotransmitters
b. decrease in the number of available neurotransmitters
c. increase in the number of receptors and receptor sites
d. the ability of the synapse to change in strength and function when the pathway is overused or underused

A,B,C and D

A. increase in the number of available neurotransmitters

B. decrease in the number of available neurotransmitters

C. increase in the number of receptors and receptor sites

D. the ability of the synapse to change in strength and function when the pathway is overused or underused

cuz he's blad

explanation:

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.