[Expert Solution]: The nurse is caring for a client on a…

The nurse is caring for a client on a cardiology unit prescribed warfarin for atrial fibrillation. The client informs the nurse that they have had a stool that appears very dark and almost black in color. What action should the nurse take first? Administer vitamin K intramuscularly.Administer vitamin K intramuscularly. Contact the health care provider.Contact the health care provider. Administer protamine sulfate intravenously.Administer protamine sulfate intravenously. Perform a fecal occult test of stool.Perform a fecal occult test of stool.