Anatomy Other topics and Adverse effects 845d71b6 Which of the following drugs act through heptahelical receptors A Insulin B Estrogen C Local anaesthesia D Salbutamol High-Yield Explanation Ref-KDT 6/e p45 GPCRs are heptahelical or serpentine receptor.salbutamol acts thrithr beta2 receptor which are GPCRs