The nurse is caring for a client who is recieving a bolus intravenous infusion to treat dehydration. On assessment of the peripheral intravenous site in the client's right hand, the nurse observes swelling and redness. The client informs the nurse the site is painful. What action will the nurse take first?
a-Remove the IV cannula.
b-Slow the bolus infusion rate.
c- Elevate the client's arm.
d- Inform the health care provider.