Question

Which one of the following not act as a neurotransmitter?

• A. Acetylcholine
• B. Epinephrine
• C. Nor epinephrine
• D. Cortisone

Answer 1

The Correct Option is D

To determine which of the given options does not act as a neurotransmitter, let's examine each option:

1. Acetylcholine: Acetylcholine is a well-known neurotransmitter in both the central and peripheral nervous systems. It is involved in transmitting signals across synapses.
2. Epinephrine: Also known as adrenaline, epinephrine acts as a neurotransmitter and a hormone. In the nervous system, it assists in the fight-or-flight response.
3. Norepinephrine: Norepinephrine functions as a neurotransmitter. It plays an essential role in alertness and the body's response to stress.
4. Cortisone: Cortisone is a glucocorticoid hormone produced by the adrenal gland. It plays a vital role in reducing inflammation and regulating metabolism. However, it is not commonly known to function as a neurotransmitter.

From the above analysis, it is clear that Cortisone does not function as a neurotransmitter. While the other three substances (Acetylcholine, Epinephrine, and Norepinephrine) are directly involved in neurotransmission, Cortisone is primarily involved in hormonal and metabolic activities.

Conclusion: The correct answer is Cortisone, as it does not act as a neurotransmitter.