Which category of barbiturates is long-acting?

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Multiple Choice

Which category of barbiturates is long-acting?

Barbiturates are grouped by how long their effects last: ultra short acting, short-intermediate acting, and long-acting. The long-acting category refers to drugs whose effects persist for many hours because they are cleared from the body more slowly. These are typically used when prolonged effect is needed, such as anticonvulsant action, rather than rapid, short-lived sedation. A classic example is phenobarbital, which has a long duration of action and is commonly used to prevent seizures. In contrast, ultra-short acting barbiturates have a rapid onset but very short duration, often used for anesthesia induction, while short-intermediate acting barbiturates provide a moderate duration of sedation. Thus, the option describing long-acting correctly identifies the category with extended action.

Barbiturates are grouped by how long their effects last: ultra short acting, short-intermediate acting, and long-acting. The long-acting category refers to drugs whose effects persist for many hours because they are cleared from the body more slowly. These are typically used when prolonged effect is needed, such as anticonvulsant action, rather than rapid, short-lived sedation. A classic example is phenobarbital, which has a long duration of action and is commonly used to prevent seizures.

In contrast, ultra-short acting barbiturates have a rapid onset but very short duration, often used for anesthesia induction, while short-intermediate acting barbiturates provide a moderate duration of sedation. Thus, the option describing long-acting correctly identifies the category with extended action.

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