Asked by Mikayla Zarlenga on May 25, 2024
Verified
Which of the following neurotransmitters functions as a major inhibitory neurotransmitter in the brain?
A) serotonin
B) GABA
C) acetylcholine
D) norepinephrine
Inhibitory Neurotransmitter
A type of chemical messenger that decreases the likelihood of a neuron firing and thus inhibits neural activity.
Serotonin
A neurotransmitter involved in various functions including mood regulation, sleep, and appetite, often referred to as a "feel good" chemical in the brain.
GABA
A neurotransmitter in the brain that plays a key role in regulating nerve cell activity and inhibiting many of the signals in the central nervous system.
- Achieve a deep understanding of the roles and functions neurotransmitters perform in the human body.
- Recognize the principal inhibitory and excitatory neurotransmitters within the brain.
Verified Answer
HB
HANNAH BANGERTMay 29, 2024
Final Answer :
B
Explanation :
GABA (gamma-aminobutyric acid) functions as a major inhibitory neurotransmitter in the brain. It helps to reduce neural activity and therefore has a calming effect on the brain. Serotonin, acetylcholine, and norepinephrine are all neurotransmitters, but they do not primarily function as inhibitors in the brain.
Learning Objectives
- Achieve a deep understanding of the roles and functions neurotransmitters perform in the human body.
- Recognize the principal inhibitory and excitatory neurotransmitters within the brain.