What Statement Is Not True

What statement is not true?

A) The guaiac fecal occult blood test requires a blood sample for testing.
B) The fecal immunochemical test uses antibodies to detect human hemoglobin protein.
C) Patient preparation is required for a colonoscopy.
D) Certain foods must be avoided before the guaiac fecal occult blood test can be done.
E) A guaiac fecal occult blood test should be done every year from age 50 to 75.