Anorexia nervosa may best be described as:
a. occurring most frequently in adolescent males.
b. occurring most frequently in adolescents from lower socioeconomic groups.
c. resulting from a posterior pituitary disorder.
d. resulting in severe weight loss in the absence of obvious physical causes.
ANS: D
The etiology of anorexia remains unclear, but a distinct psychological component is present. The diagnosis is based primarily on psychological and behavioral criteria. Females account for 90% to 95% of the cases. No relation has been identified between socioeconomic groups and anorexia. Posterior pituitary disorders are not associated with anorexia nervosa.
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