Final answer:
The question regarding the escalation of depressive symptoms from 4 to 2 months prior to death cannot be answered definitively with the provided Kübler-Ross model information, as it does not mention a specific timeline. Therefore, the answer is 'Not Mentioned'.
Step-by-step explanation:
The question asks whether depressive symptoms escalated from 4 to 2 months prior to death. To answer this question, we can refer to the Kübler-Ross model, which outlines the five stages of grief. According to this model, the fourth stage is psychological depression, which indicates that depressive symptoms are indeed a part of the process as one approaches death. However, the question lacks specific information about escalation within a particular time frame. Therefore, without additional context or empirical data, we cannot confirm whether depressive symptoms escalate particularly from 4 to 2 months prior to death. The answer would be 'Not Mentioned' because the provided information does not specify the timeline of symptom escalation.