A client brought to the emergency department states that he has accidentally been taking two times his prescribed dose of warfarin for the past week. After noting that the client has no evidence of...

A client brought to the emergency department states that he has accidentally been taking two times his prescribed dose of warfarin for the past week. After noting that the client has no evidence of obvious bleeding, the nurse plans to assist the registered nurse with which action?

1. Administering an antidote. 2. Drawing a sample for type and crossmatch and transfuse the client. 3. Drawing a sample for an activated partial thromboplastin time (aPTT) level. 4. Drawing a sample for prothrombin time (PT) and international normalized ratio (INR).