A nurse is providing education to a group of healthcare professionals about suicide and suicidal ideation. Which of the following statements accurately describes suicidal ideation?

Suicidal ideation is a diagnosis in itself.

Suicidal ideation is more common in older adults.

Suicidal ideation always involves a detailed plan for self-harm.

Suicidal ideation can be a symptom of various underlying mental health conditions.

Suicidal ideation can be a symptom of various underlying mental health conditions.