The nurse administers medication to a client without checking allergies, and the client begins experiencing itching, a rash, and difficulty breathing. What is the priority action by the nurse?

a. Document that medication was administered to a client with an allergy
b. Notify HCP that the client received medication that they are allergic to
c. Call for rapid response team for a potential resuscitation effort
d. Call attorney to report the possibility of a charge of negligence