Barbiturates and benzodiazepine drugs bind to GABA receptors to open chloride channels, inhibit neural impulse, and induce tranquility.
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Question

Barbiturates and benzodiazepine drugs bind to GABA receptors to open chloride channels, inhibit neural impulse, and induce tranquility. 
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Quizplus · Accepted Answer

Both barbiturates and benzodiazepines enhance the effect of the neurotransmitter GABA (gamma-aminobutyric acid) at the GABA-A receptor, which increases the influx of chloride ions into neurons, leading to hyperpolarization of the neuron, inhibition of neural activity, and a tranquilizing effect on the brain.

Barbiturates and Benzodiazepine Drugs Bind to GABA Receptors to Open