【单选题】【消耗次数：1】
下列关于眼用局部麻醉药的描述中，错误的是（ ）。
①
奥布卡因可用于眼压测量
②
利多卡因可与肾上腺素合用
③
丁卡因可产生深度麻醉作用
④
丙美卡因刺激小，多用于儿童
⑤
可单纯作为镇痛药解除眼部症状
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相关题目
【单选题】
局部麻醉药的作用原理是
①
局麻药促进Na+内流，产生持久去极化
②
局麻药阻碍Na+内流，阻碍去极化
③
局麻药促进K+外流，阻碍去极化
④
局麻药阻碍Ca2+内流，阻碍去极化
⑤
降低静息跨膜电位，抑制复极化
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