The nurse provides care for several clients. Which action by the nurse requires the nurse manager to intervene?

a. Asks another nurse to double check the client's dosage and type of insulin.
b. Assesses the client whose glucose is reported as 47 mg/dL (2.61 mmol/L).
c. Administers lispro insulin to a client immediately before breakfast is eaten.
d. Uses an insulin pen to administer insulin to three clients.