A.向頸部傳導(dǎo) B.向上腹部傳導(dǎo) C.向心尖部傳導(dǎo) D.向左腋下部傳導(dǎo) E.向胸骨右緣3~4肋間傳導(dǎo)
A.β-受體阻滯藥 B.β-受體激動(dòng)藥 C.α-受體阻滯藥 D.α-受體激動(dòng)藥 E.β、α-受體阻滯藥