The nurse is providing directions to a client about how to test a stool for occult blood. The nurse cautions that the presence of which of the following could cause a false -negative result?

Question

Quizplus · Accepted Answer

Ascorbic acid (vitamin C) can cause a false-negative result in fecal occult blood tests because it has antioxidant properties that can prevent the chemical reaction needed for the test to detect blood.

The Nurse Is Providing Directions to a Client About How