Step-by-step explanation:
d. The nurse administers a PCA dose for the client.
The action that requires intervention by the charge nurse is d. The nurse administers a PCA dose for the client. The administration of medication through a PCA (Patient-Controlled Analgesia) device should only be performed by the client themselves. It is a self-administration device that allows the client to control the delivery of pain medication within prescribed limits. Allowing the nurse to administer a PCA dose for the client violates the principles of client-controlled analgesia and may pose risks to the client's safety. Therefore, the charge nurse should intervene and ensure that the nurse understands the correct use of a PCA device and allows the client to self-administer the medication.