A nurse is caring for a client who is experiencing extreme mania due to bipolar disorder. Prior to administration of lithium carbonate, the client's lithium blood level 1.2 mEq/L. Which of the following actions should the nurse take?
a) Administer the prescribed dose of lithium carbonate.
b) Hold the dose of lithium carbonate and notify the provider.
c) Increase the dose of lithium carbonate.
d) Administer the next scheduled dose of lithium carbonate.