Choice A rationale:

This statement is not accurate. The Columbia-Suicide Severity Rating Scale (C-SSRS) is not focused on assessing suicide-related thoughts and behaviors in the past year. Instead, it is designed to assess the severity of suicidal ideation and behavior over a specified time frame.

Choice B rationale:

This statement is not accurate. The C-SSRS is not a self-report questionnaire for depression and suicidal ideation in the past two weeks. It is a structured interview that involves a series of questions and prompts administered by a trained clinician to assess the severity of suicidal ideation and behavior.

Choice C rationale:

This statement is accurate. The Columbia-Suicide Severity Rating Scale (C-SSRS) guides the evaluation and triage of patients with suicidal ideation or behavior based on five steps: Determining the presence of active suicidal ideation. Assessing the intensity of ideation. Examining the presence and severity of any preparatory behavior. Evaluating the level of intent to die. Determining the lethality of the suicide plan. The C-SSRS is widely used in clinical and research settings to assess suicide risk and guide appropriate interventions.

Choice D rationale:

This statement is not accurate. The C-SSRS does not measure the severity and intensity of suicidal ideation and behavior in the past month. It focuses on assessing the severity of suicidal ideation and behavior based on the steps mentioned in choice C.