The ability of leptin to inhibit eating can be viewed as a dual action in the brain that involves the activation of ________ and the inhibition of ________.
A) CART/alpha-MSH neurons; NPY/AGRP neurons
B) insulin receptors; CCK receptors
C) ghrelin cells in the stomach; CART/alpha-MSH neurons
D) CCK-A receptors; serotonin neurons
E) PYY cells; MCH/orexin neurons

Question

Quizplus · Accepted Answer

Leptin activates the CART/alpha-MSH neurons in the hypothalamus, which are known to suppress appetite, and inhibits the NPY/AGRP neurons, which stimulate appetite. This dual action results in decreased food intake.

The Ability of Leptin to Inhibit Eating Can Be Viewed