A patient is 5 feet 4 inches tall and weighs 85 lb, a 20% lo…

A patient is 5 feet 4 inches tall and weighs 85 lb, a 20% loss of body weight over the past year. The patient reports amenorrhea for 9 months. Vital signs are temperature (T) 96.6°F; pulse (P) 38 beats/min; blood pressure (BP) 70/42 mm Hg; respirations (R) 20 breaths/min. Skin turgor is poor. Lanugo is present. She says, “I need to lose 10 more pounds.” These assessment findings indicate which medical diagnosis?