A design in which at least two nonequivalent groups are measured both before and after treatment is a(n) _____ design

Transmission of information between neurons occurs in the same way as transmission along an axon.

Answer the following statement true (T) or false (F)

If a drug slows down central nervous system activity while increasing the activity of the main inhibitory neurotransmitter in the brain, then it is most likely to be a(n) ________.

A. opioid B. corticosteroid C. depressant D. vasodilator