A charge nurse is teaching a group of nurses about the antagonist action of medications. The nurse should include in the teaching that which of the following antagonist medications is used for benzodiazepines?

A. Naloxone is an opioid antagonist used to reverse opioid overdoses, not benzodiazepines. B. Diphenhydramine is an antihistamine, not an antagonist for benzodiazepines. C. Protamine is used to reverse the effects of heparin (an anticoagulant), not benzodiazepines. D. Flumazenil is a benzodiazepine antagonist used to reverse the effects of benzodiazepine overdose or sedation.