A charge nurse is teaching a group of nurses about the antagonist action of reversal medications. For each medication listed below, click to specify the expected reversal agent.

Beta-blockers: Glucagon is administered intravenously in cases of severe beta-blocker overdose, especially when hypotension and bradycardia are present. Heparin: Protamine sulfate neutralizes the anticoagulant effects of heparin. Warfarin: Vitamin K is a necessary cofactor for blood clotting and can help reverse the effects of warfarin. Rivaroxaban: Andexanet alfa is a specific reversal agent for direct factor Xa inhibitors like rivaroxaban.