The obsession with food noted in anorexia may be related to
A) a failure of menstruation brought on by excessive exercise.
B) a deficiency of NPY in brain.
C) an effect of starvation.
D) excessive consumption of protein, which is highly satiating.
E) elevated levels of CCK in brain.

Question

Quizplus · Accepted Answer

Anorexia is characterized by a severe restriction of food intake and consequent weight loss. The obsession with food observed in anorexia is likely a result of the effects of starvation, which can lead to an increase in preoccupation with food and eating.

Answer: B 
 Neuropeptide Y (NPY) is a neurotransmitter that is involved in regulating food intake and hunger. A deficiency of NPY in the brain has been hypothesized to contribute to the development of anorexia and may be related to the obsessive thoughts about food that are often observed in this disorder.

The Obsession with Food Noted in Anorexia May Be Related