Final answer:
A history of depression and anxiety would not be grounds for commitment in the absence of severe medical and psychological issues directly related to anorexia nervosa such as severe malnutrition or immediate risk to one's own health.
Step-by-step explanation:
The grounds for commitment for Susan, a patient with anorexia nervosa, included severe medical and psychological issues directly related to her eating disorder: severe malnutrition and instability in vital signs; refusal to engage in outpatient treatment or follow medical recommendations; and immediate danger to herself due to the severity of her eating disorder. Among the options provided, a history of depression and anxiety would not be the sole grounds for commitment. While individuals with anorexia nervosa often experience these psychological issues, they are typically not the decisive factors for inpatient commitment without the presence of more acute reasons like those listed above.
Anorexia nervosa is characterized by self-induced starvation leading to excessive weight loss and may cause severe malnutrition, loss of body fluid, vitamin and mineral deficiencies, and severe health consequences including heart failure and death. It is critical to provide immediate medical intervention for such individuals, especially when they pose an immediate risk to themselves and are resistant to treatment.