Exams are hard enough without those. Many of the questions focus on application. The more complex and and influential the concept the more questions you will see on it. I like to focus on drawing ideas together. Try to understand the general idea of the bold faced sections of the chapters.
Details are important but only insofar as they help to improve understanding of the major headings.
In lecture make sure that you know why each topic is studied. Much of the important information that is presented is not on the slides. They are the ideas that support the topics on the slides. Be prepared to explain stereotyping in terms of selection. Two issues were discussed with respect to the self.