What is the action of benzodiazepines in alcohol withdrawal management?

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Prepare for the Certified Addictions Registered Nurse (CARN) Advanced Practice Test. Utilize flashcards and multiple-choice questions, complete with hints and explanations. Boost your readiness for the exam!

Multiple Choice

What is the action of benzodiazepines in alcohol withdrawal management?

Explanation:
Benzodiazepines manage alcohol withdrawal by enhancing GABAergic inhibition. They act as positive allosteric modulators of the GABA-A receptor, increasing the receptor’s response to GABA, which boosts chloride influx, hyperpolarizes neurons, and dampens CNS excitability. This counteracts withdrawal symptoms such as tremors, agitation, autonomic instability, and the risk of seizures. They do not increase glutamate activity, nor do they block acetylcholine receptors or suppress norepinephrine synthesis. In practice, the choice and dosing consider liver function and withdrawal severity, with longer-acting agents often used for smoother control.

Benzodiazepines manage alcohol withdrawal by enhancing GABAergic inhibition. They act as positive allosteric modulators of the GABA-A receptor, increasing the receptor’s response to GABA, which boosts chloride influx, hyperpolarizes neurons, and dampens CNS excitability. This counteracts withdrawal symptoms such as tremors, agitation, autonomic instability, and the risk of seizures. They do not increase glutamate activity, nor do they block acetylcholine receptors or suppress norepinephrine synthesis. In practice, the choice and dosing consider liver function and withdrawal severity, with longer-acting agents often used for smoother control.

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