Pharmacology Which of the following statements best describes the mechanism of action of benzodiazepines? A Benzodiazepines activate GABAB receptors in the spinal cord B Benzodiazepines block glutamate receptors in neuronal pathways in the brain C They increase the frequency of opening of chloride ion channels that are coupled to GABAA receptors D They are direct acting GABA receptor agonists in the CNS π‘ Explanation Which of the following statements best describes the mechanism of action of benzodiazepines? β Correct Answer: C. They increase the frequency of opening of chloride ion channels that are coupled to GABAA receptors