Describe the central nervous system effects of sodium thiopental.

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Multiple Choice

Describe the central nervous system effects of sodium thiopental.

Explanation:
Sodium thiopental depresses CNS activity, which lowers the brain’s metabolic demand. This drop in cerebral metabolic rate for oxygen (CMRO2) leads to reduced cerebral blood flow (CBF) because blood flow closely follows metabolic needs. With less blood in the brain, intracranial pressure (ICP) falls as the cerebral blood volume decreases. Importantly, thiopental provides hypnosis but not analgesia, so it does not relieve pain and analgesia must be supplied by other agents.

Sodium thiopental depresses CNS activity, which lowers the brain’s metabolic demand. This drop in cerebral metabolic rate for oxygen (CMRO2) leads to reduced cerebral blood flow (CBF) because blood flow closely follows metabolic needs. With less blood in the brain, intracranial pressure (ICP) falls as the cerebral blood volume decreases. Importantly, thiopental provides hypnosis but not analgesia, so it does not relieve pain and analgesia must be supplied by other agents.

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