Why do the anaesthetising effects of Thiopentone in the brain last only for 5-10 minutes?

Question

Accepted Answer

Thiopentone becomes quickly redistributed to different parts of the body, away from the brain.

Answer

Thiopentone is slowly redistributed to different parts of the body away from the brain.

Answer

Thiopentone is unable to cross the blood brain barrier, resulting in its anaesthetising effects being of short duration.

Answer

Thiopentone is excreted 5-10 minutes after its intravenous injection leading to a short anaesthetising duration.

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