The Notion That Normal Food Intake Is Controlled by NPY

Multiple Choice

The notion that normal food intake is controlled by NPY is supported by the observation that

A) NPY strongly inhibits drinking.
B) NPY antagonists block the capacity of lithium chloride to induce taste aversion.
C) NPY levels are constant across the day-night cycle.
D) intra-hypothalamic injection of an NPY antagonist blocks the capacity of food deprivation to induce eating.
E) food deprivation does not alter the levels of NPY in the brain.