A nurse is teaching a client about a medication that has a receptor with an antagonist effect.Which information should the nurse include in the teaching?

Choice A rationaleThis statement is incorrect because an antagonist medication changes the effects of normal cellular functions by blocking receptors.Choice B rationaleAn antagonist medication binds to receptors and blocks the usual receptor activity, preventing the normal action of the endogenous substance.Choice C rationaleThis statement describes an agonist medication, which binds to receptors and increases the effects of normal cellular functions.Choice D rationaleThis statement is incorrect because an antagonist medication does not both increase and decrease the effects on normal cellular functions; it primarily blocks receptor activity.