Mental Health HESI 2023 Related

Review Mental Health HESI 2023 related questions and content

What are neurotransmitters?

  • A. Chemical messengers that cause brain cells to turn on or off.
  • B. Areas of the brain that are responsible for controlling emotions.
  • C. Clumps of cells that alert the other brain cells to receive messages.
  • D. Web-like structures that provide connections among parts of the brain.
Correct Answer: A

Rationale: Neurotransmitters are chemicals in the brain that act as messengers between neurons, influencing various psychological functions. Choice A correctly defines neurotransmitters by stating that they are chemical messengers that cause brain cells to turn on or off. This is the function of neurotransmitters in transmitting signals between neurons. Choices B, C, and D are incorrect because they do not accurately describe neurotransmitters and their role in the brain.