Question

Question 1

A newborn develops severe vomiting and symptoms of metabolic acidosis. Urinalysis results are positive for ketones and negative for glucose and other reducing substances. Which of the following screening tests would be positive in this patient?

		Clinitest
		Ehrilch test
		DNPH
		Ferric chloride tube test

Question 2

If the urine had an odor of " sweaty feet", what metabolic disorder would be suspected?

		methylmalonic acidemia
		isovaleric acidemia
		propionic acidemia
		MSUD

Question 3

If a newborn was producing dark brown urine with a sweaty odor, what disorder would be suspected

		methylmalonic acidemia
		isovaleric acidemia
		propionic acidemia
		MSUD

Question 4

An additional screening test is performed on the infant and produces an emerald green color, what is the test?

		Ms/MS
		p-nitroaniline
		DNPH
		5-HIAA

Question 5

What is the diagnostic significance of the emerald green color result?

		methylmalonic acidemia
		isovaleric acidemia
		propionic acidemia
		MSUD

Answer 1

1.DNPH -2,4 dinitrophenyl hydrazine

2.isovaleric acidemia

3.Maple sugar urine disease

4.p-nitroaniline

5.methylmalenic acidemia