"What do your dreams mean? Do men and women
differ in the nature and intensity of their sexual desires? Can
apes learn sign language?" Knowing the answers to these questions
may or may not help you on the social work exam, but, if you're
curious, here they are, part of a free Introduction to
Psychology class from Prof. Paul Bloom at Yale
University. It's a big series of long lectures--more than
most will have time for, but likely of value for those who do.
Social work-specific offerings are less plentiful,
but they're no doubt coming.