题目内容

温热药长期给药,可引起动物机体的变化是( )

A. 痛阈值降低
B. 惊厥阈值升高
C. 脑内兴奋性神经递质含量降低
D. 心率加慢
E. 血清甲状腺激素水平降低

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寒凉药长期给药,可引起动物机体的变化不包括( )

A. 痛阈值降低
B. 脑内兴奋性神递质含量降低
C. 心率减慢
D. 血清甲状腺激素水平降低
E. 体温降低

许多寒凉药具有的药理作用是( )

A. 兴奋中枢神经系统
B. 兴奋交感神经系统
C. 促进内分泌系统功能
D. 加强基础代谢功能
E. 具有感染作用

寒凉药石膏、知母长期给药,可使下列哪种中枢神经介质含量降低( )

ACh
B. 5-HT
C. GABA
D. 以上均非

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