A client has been diagnosed with a deep vein thrombosis and is to be discharged on warfarin. The client is adamant about refusing the drug because "it's dangerous." What action by the nurse is best?
a. Assess the reason behind the client's fear.
b. Remind the client about laboratory monitoring.
c. Tell the client that drugs are safer today than before.
d. Warn the client about consequences of noncompliance.