The question is incomplete as it does not have the option which are:
Anorexia: restricting type
Anorexia: binge/purge type
Bulimia: non-purging type
Feeding Disorder in Adolescence
Answer:
Anorexia: restricting type
Step-by-step explanation:
The person develops some eating disorders due to various factors in which the person develops unhealthy eating habits.
In the given question, the symptoms are shown by the Ann like brittle hair, low weight, loss of hair, no menstrual cycle which could be considered a symptom of infertility arose due to the anorexia.
Anorexia nervosa is an eating disorder in which the person develops a feeling that he or she is overweight and to lose weight perform vigorous exercise, less eating and low calories intake. This is of two types: restricting type and binge type.
Since the symptoms shown by the Ann are of anorexia restricting type, therefore, the selected option is the correct answer.