Which is a class of CNS depressants that includes Barbiturates and Benzodiazepines?

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Multiple Choice

Which is a class of CNS depressants that includes Barbiturates and Benzodiazepines?

Explanation:
Sedative-hypnotic drugs are the category that fits barbiturates and benzodiazepines. These medications depress the central nervous system to calm nerves, reduce anxiety, and, at higher doses, induce sleep. They work through GABA, the brain’s primary inhibitory neurotransmitter: benzodiazepines enhance GABA’s effect at the receptor, while barbiturates prolong GABA’s effect on the chloride channel. This class is distinct from stimulants (which increase CNS activity), narcotics (opioids with analgesic effects), and inhalants (a broad, non-specific category). So the correct answer is sedative-hypnotic drugs.

Sedative-hypnotic drugs are the category that fits barbiturates and benzodiazepines. These medications depress the central nervous system to calm nerves, reduce anxiety, and, at higher doses, induce sleep. They work through GABA, the brain’s primary inhibitory neurotransmitter: benzodiazepines enhance GABA’s effect at the receptor, while barbiturates prolong GABA’s effect on the chloride channel. This class is distinct from stimulants (which increase CNS activity), narcotics (opioids with analgesic effects), and inhalants (a broad, non-specific category). So the correct answer is sedative-hypnotic drugs.

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