A 20-year-old male was brought to the emergency room (ER)for severe burns.He requested something for the excruciating pain he was experiencing.Blocking which of the following neurotransmitters would reduce his pain?
A) Enkephalin
B) Dopamine
C) Acetylcholine
D) Substance P

Question

Quizplus · Accepted Answer

Substance P is a neurotransmitter in pain transmission pathways.Blocking the release of substance P by morphine reduces pain.
The opiates morphine and heroin bind to endorphin and enkephalin receptors on presynaptic neurons and reduce pain by blocking the release of neurotransmitters.
Dopamine is a neurotransmitter involved in activity.
Acetylcholine plays a role in nerve conduction presynaptically.

A 20-Year-Old Male Was Brought to the Emergency Room (ER)for