The Nurse Is Preparing to Draw Blood for Plasminogen from a Patient

Multiple Choice

The nurse is preparing to draw blood for plasminogen from a patient in the intensive care unit.The nurse recognizes that additional anticoagulant must be added to the collection tube if which of the following is true?

A) Patient has a fever over 101°F.
B) Patient has a history of hemolytic anemia.
C) Patient has a hematocrit over 55%.
D) Patient has an elevated ammonia level.