Final answer:
The nursing diagnosis of 'hopelessness related to symptoms of depression' should be prioritized for a client with major depression expressing feelings of giving up, due to the serious risk of self-harm or sui cide. Therefore, the correct option is b.
Step-by-step explanation:
When a nurse is caring for a client with major depression and the client expresses feelings such as 'I don't see the point of going on anymore,' the nurse should prioritize a nursing diagnosis of hopelessness related to symptoms of depression. This diagnosis is specific to the client's voiced perception of a lack of future and addresses the needs of an individual experiencing such profound depressive symptoms. It is essential to address this as a priority due to its potential risk for self-harm or su icide. Antidepressants and other treatments like psychotherapy are available to help manage major depression, and these should be part of the comprehensive care plan.