A nurse is preparing to administer a controlled substance to a client for pain management. Which of the following actions should the nurse take? (1) place the wasted portion of the controlled substance in the sharps container. (2) Verify the count total of the controlled substance after removing the amount needed. (3) Ask a second nurse to record her signature when wasting any unused portion of the controlled substance (4) report any discrepancy in the count total of the controlled substance after administration