Final answer:
The student's question pertains to which findings indicate that a girl with anorexia nervosa requires hospitalization. Out of the options provided, food refusal is the finding that would necessitate hospitalization due to the heightened risk of severe health consequences.
Step-by-step explanation:
Anorexia nervosa is an eating disorder with serious health consequences. Among the options given, the indication for hospitalization would be food refusal. While a body mass index (BMI) of 18 is on the low end of the normal range and may warrant attention, it is not on its own an immediate indicator for hospitalization. However, a persistent refusal to eat escalates the risk for serious health consequences and often necessitates medical intervention to prevent complications like heart failure and severe malnutrition.
Key signs and symptoms of anorexia nervosa include extreme weight loss, excessive exercise, body dysmorphia, and potential amenorrhea in females. Individuals often fail to recognize the severity of their condition, which can lead to life-threatening issues. Due to the high risk of significant health problems like bone density loss, heart and kidney problems, and psychological issues such as anxiety and mood disorders, rapid response and treatment are critical.
Soft, sparse body hair and dry, sallow skin, although indicative of the condition, are not immediate triggers for hospitalization in the absence of other more severe symptoms. A weight gain of one-half pound per week, in fact, would be a positive indicator during recovery. A BMI of 18, while low, would not alone require hospitalization. However, the persistent refusal to eat, especially if coupled with warning signs of severe malnutrition or psychological distress, would necessitate a higher level of care to address the risks associated with the progression of anorexia nervosa.