Ghrelin is a(n) ____.
A) neurotransmitter released by the brain to stimulate hunger
B) enzyme that breaks down neurotransmitters in the brain to signal a feeling of being full
C) hormone secreted by the stomach to stimulate hunger
D) neurotransmitter found in the liver which signals a feeling of being full

Question

Quizplus · Accepted Answer

Ghrelin is a hormone secreted by the stomach which stimulates hunger.

Note: A is incorrect because while ghrelin does stimulate hunger, it is not a neurotransmitter released by the brain. B and D are incorrect because ghrelin is not an enzyme and is not found in the liver.

Ghrelin Is A(n) ____