Which of the following does not act as a neurotransmitter?

Q. Which of the following does not act as a neurotransmitter?
A. Acetylcholine
B. Epinephrine
C. Norepinephrine
D. Cortisone
Answer: Cortisone

A. Acetylcholine
B. Epinephrine
C. Norepinephrine
D. Cortisone
Answer: Cortisone