A newly licensed nurse and a nurse preceptor are caring for a client who has just had an arteriovenous shunt placed in her left arm. Which of the following actions by the newly licensed nurse requires intervention by the preceptor?
1) Administering pain medication as prescribed
2) Assessing the client's arm for signs of infection
3) Teaching the client how to care for the shunt
4) Assisting the client with activities of daily living
