Barbiturates exert deppressant action on ___

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All the above

Gut

Heart

Cerebrospinal axis

answer is C.

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Detailed Solution

Barbiturates are a class of drugs that exert a depressant effect on the central nervous system, including the cerebrospinal axis.
They act as sedatives, hypnotics, and anesthetics by enhancing the activity of gamma aminobutyric acid (GABA), a neurotransmitter that inhibits the transmission of nerve impulses in the brain.
When barbiturates bind to GABA receptors in the brain, they increase the efficiency of GABA's inhibitory action, which leads to a decrease in neural activity and produces a sedative effect.
This depressant action on the cerebrospinal axis can result in a wide range of effects, including relaxation, decreased anxiety, drowsiness, and in severe cases, coma or even death.

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