Which type of neuron is the most numerous in the human nervous system?

All of the following are possible symptoms of a manic episode EXCEPT:

A. Increased talkativeness. B. Dysphoric mood. C. Decreased need for sleep. D. Distractibility.

Parent-teen conflict tends to reach its peak:

a) during the early twenties, after a child has left home. b) in the middle of puberty, when hormonal changes are at their height. c) in late adolescence, as the teen is about to leave home for the first time. d) in late elementary school, when parents realize their child is growing up.