When compared with benzodiazepines, buspirone (BuSpar) stands out as unique among antianxiety drugs because of what factor?
A) Increases the central nervous system (CNS) depression of alcohol and other drugs.
B) Lacks muscle relaxant and anticonvulsant effects.
C) Causes significant physical and psychological dependence.
D) Rapidly absorbed from the gastrointestinal (GI) tract and metabolized in the liver.
B
Feedback:
Buspirone, a newer antianxiety agent, has no sedative, anticonvulsant, or muscle-relaxant properties, and its mechanism of action is unknown. However, it reduces the signs and symptoms of anxiety without many of the central nervous system effects and severe adverse effects associated with other anxiolytic drugs. Most of the antianxiety drugs are rapidly absorbed from the GI tract, metabolized in the liver, have a significant drug–drug interaction with alcohol and other drugs, and can result in psychological dependence.
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