According to Maslow, which of the following categories of needs represents the most basic? a) Physiologic needs Physiologic needs must be met before an individual is able to move toward psychological health and well-being. b) Self-actualization Self-actualization is the highest level of need c) Safety and security needs Safety and security needs, while lower level, are not essential to physiologic survival. d) Belongingness Belongingness and affection needs are not essential to physiologic survival.