A ．为季铵类药                                                       B ．口服吸收差

C ．易进入中枢                                                       D ．可引起 “ 胆碱能危象”

7 ．阿托品对眼的作用为 (       )

A ．缩瞳、升高眼压、调节痉挛                              B ．扩瞳、升高眼压、调节痉挛

C ．缩瞳、降低眼压、调节麻痹                              D ．扩瞳、升高眼压、调节麻痹

8 ．对阿托品最敏感的腺体是 (       )

A ．汗腺                                                                 B ．呼吸道腺体

C ．消化道腺体                                                       D ．泪腺

9 ．酚妥拉明兴奋心脏的机理是 (       )

A ．反射性兴奋交感神经                                         B ．激动心脏β ₁ 受体

C ．阻断心脏α受体                                                D