Respuesta :
synergism is the interaction of two or more drugs at the same receptor site in which one blocks the action
Answer:
The correct option is b
Explanation:
Antagonism is caused when a chemical (in this case drug) causes the opposite effect of another chemical (in this case drug) or blocks the effect of another chemical/drug.
A commonly used example of antagonism is the opposing effects of insulin and glucagon in the body; Insulin lowers blood sugar level but glucagon raises same in the body.