A nurse is collecting data from an adolescent. Which of the following should the nurse identify as the greatest risk for suicide?

A. Homosexuality can be a risk factor for suicide due to associated stigmatization and bullying, but it is not the greatest risk compared to active psychiatric disorders. B. Family conflict is a significant stressor and risk factor, but not the highest compared to active psychiatric disorders. C. An active psychiatric disorder, such as depression or anxiety, is the greatest risk factor for suicide. Adolescents with psychiatric disorders have higher rates of suicidal ideation and attempts. D. Availability of firearms increases the lethality of suicide attempts but is not a risk factor by itself without the presence of other significant factors like psychiatric disorders.