Brandon sits in the same position for hours. When the staff try to move him, he stays in the position they have left him in for hours. He rarely speaks. Brandon is most likely exhibiting __________ schizophrenia

When benzodiazepines bind to their receptor site, they

A. release barbiturates. B. block acetylcholine receptors. C. reduce the membrane electrical potential. D. enhance the inhibitory effects of GABA.

Differences in effectiveness between two drugs that share the same site of action would be expected to result from their different

a. adverse effects. b. sensitization profiles. c. dynamic capacities. d. affinities for the site of action. e. binding capacities within blood.