Which of the following substances cause a <strong>false positive </strong>result for blood on the urine reagent strip? (Choose ALL of the correct answers) from Chemical Screening of Urine by Reagent Strip, presented by MediaLab

Testing for Blood

Ungraded Practice Question

Which of the following substances cause a false positive result for blood on the urine reagent strip? (Choose ALL of the correct answers)

More than one answer is correct. Please select all correct answers

	10 mg of ascorbic acid
	Bleach in the collecting bottle
	High levels of nitrite
	Microbial peroxidase

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