Difficulty: Medium
Average Score: 79%
Practice
How do neurotransmitters affect behavior and mental processes?
Correct answer
B
Rationale
Neurotransmitters are chemicals that influence mood, thought, and behavior, playing a significant role in mental health. Choice A is incorrect as neurotransmitters do have a notable effect on behavior. Choice C is incorrect as neurotransmitters have a major role in mental health. Choice D is incorrect as neurotransmitters do not solely determine intelligence levels.