Final answer:
The nurse must be prepared to administer naloxone (Narcan).
Step-by-step explanation:
When administering 10 mg of morphine intravenously to a client who had been given another dose of 5 mg morphine intravenously 30 minutes earlier, the nurse must be prepared to take the action of administering naloxone (Narcan). Naloxone is an opiate antagonist that antagonizes the actions of morphine at all its receptors. It is used for the reversal of respiratory depression that follows acute narcotic intoxication. In this case, since the client has received an overdose of morphine, administering naloxone can help reverse the respiratory depression caused by the opiate