A Patient Is Upset to Learn That an Occult Blood

A patient is upset to learn that an occult blood test of a stool specimen was positive for blood.What should the nurse assess in this patient to determine if the results were falsely positive? (Select all that apply.)

A) Ingestion of fish
B) Use of aspirin or NSAIDs
C) Recent intake of whole milk and cheese
D) Ingestion of red meat three days before the test
E) Recent dental procedure causing bleeding gums