Georgette’s Psychiatric-Mental Health Nurse Practitioner (PMHNP) Certification LMR Practice Exam

GABA is produced by GABAergic neurons through the enzyme glutamic acid decarboxylase, converting glutamate into GABA. These inhibitory neurons are distributed throughout the brain, with notable presence in limbic structures such as the hippocampus and amygdala, where GABA helps regulate excitability and modulate emotional and memory-related processing. If the source you’re studying emphasizes the limbic system as the site of GABA synthesis, that framing reflects how GABAergic inhibition functions within limbic circuits. While GABA synthesis occurs in many regions, the item’s source highlights the limbic system, making it the best fit for this question.