This document discusses crisis theory and intervention, including various types of crises, grief, loss, and several forms of abuse and their assessment and treatment. It covers phases of a crisis, types of grief, nurse's role in addressing grief and loss, suicidal behavior assessment and interventions, family violence characteristics and interventions, child abuse assessment and reporting obligations, latchkey children risks, elder abuse contributing factors and signs, and rape trauma syndrome treatment. The priority is to provide a safe environment, report suspected abuse, and assist with care, documentation, and referrals.