Place the Following Events Involved in Drug Addiction in the Correct

Multiple Choice

Place the following events involved in drug addiction in the correct sequence.
I-The synapse becomes less sensitive,and normal function can only continue in the presence of the drug.
II-CNS responds to increased firing by decreasing the number of drug receptors on the cell membrane.
III-Drug molecule prevents receptor endocytosis and causes overstimulation of the postsynaptic cell.

A) I,II,III
B) III,II,I
C) II,III,I
D) III,I,II