Multiple choice

Which of the following does not function as a neurotransmitter?

  1. Progesterone

  2. GABA

  3. Nitric oxide

  4. Adrenaline

  5. Purine

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Progesterone is a steroid hormone produced by the ovaries to maintain and preserve pregnancy in the presence of a fertilized egg. Since appetite can be affected by neurotransmitters such as dopamine, norepinephrine, cortisol and serotonin, the hormone progesterone might indirectly control our hunger level.