What substances in the body are most closely associated with a drug's influence on the nervous system?
A) endorphins
B) sodium and potassium ions
C) neurotransmitters
D) proteins

Question

Quizplus · Accepted Answer

Neurotransmitters are chemicals that transmit signals in the nervous system and are the primary substances associated with a drug's influence on the nervous system. They include neurotransmitters such as dopamine, serotonin, and norepinephrine which are involved in mood regulation, motor control, and other important functions.

Answer: A, B, D are incorrect.
 Endorphins are involved in pain regulation and not directly related to drug influence on the nervous system. Sodium and potassium ions are involved in neural signaling but are not substances directly influenced by drugs. Proteins are important in the structure and function of neurons but are not specifically associated with drug effects on the nervous system.

What Substances in the Body Are Most Closely Associated with a Drug's