Between the ages of 2 and 5, the typical child learns an average of ___ new words each day.

Transsexual males receiving female hormones will find their voice quickly deepens

Indicate whether the statement is true or false

The effectiveness of lithium in the treatment of bipolar disorder

a. supports the hypothesized role of serotonin in this disorder. b. is inconsistent with the established effects of dopamine on mood states. c. supports the role of dopamine in mania. d. suggests that it is not neurotransmitter function that is disrupted in bipolar disorder, but neurotransmitter levels.