题解1.虽然苯巴比妥具有良好抗惊厥和抗癫痫作用,随剂量增加而有镇静、催眠和麻醉作用,但由于其半衰期太长,麻醉剂量安全性差,又易致呼吸抑制,故不宜用作麻醉药。2.安定抗惊厥起效快、选择性高,对呼吸及意识影响较少,故为控制癫痫持续状态的首选药。题解 Explanation 1. Although phenobarbital has good anticonvulsant and antiepileptic effects, with sedation increased, hypnosis and anesthesia, but because of its long half-life, poor safety of anesthetic doses, but also easy to cause respiratory depression, it is not appropriate to use As a narcotic 2. Anti-seizure stability and rapid onset, high selectivity, less impact on breathing and consciousness, it is the preferred drug for the control of status epilepticus. answer