Which two neurotransmitters are primarily involved in appetite suppression?

• A. Dopamine and acetylcholine
• B. GABA and glutamate
• C. Serotonin and norepinephrine
• D. Endorphins and histamine

Answer: (C)

Verified step by step guidance

1. Understand that neurotransmitters are chemical messengers in the brain that influence various behaviors, including appetite regulation.
2. Recall that appetite suppression involves reducing the desire to eat, which is controlled by specific neurotransmitters acting on brain regions like the hypothalamus.
3. Identify that serotonin is a neurotransmitter known to promote feelings of satiety and reduce hunger, playing a key role in appetite suppression.
4. Recognize that norepinephrine also contributes to appetite suppression by influencing energy balance and reducing food intake.
5. Conclude that among the options given, serotonin and norepinephrine are the two primary neurotransmitters involved in suppressing appetite.