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Paediatric

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Metabolic Diseases

Question
6 out of 9
 

In phenylketonuria FeCL3 test with urine gives ………color (AIPG 2011)



A Green
B Blue
C Red
D Purple

Ans. A

Green

Diagnosis

a. Elevated phenylalanine levels

b. Elevated blood tyrosine level

c. Presence of urinary metabolites of phenylalanine

d. Guthrie's Test ---) It detects the presence of phenylalanine in serum

e. FeClr--+ It detects the presence of phenylalanine in urine. FeCl, is added to patients urine. If it contains phenylalanine, it will turn green.

f. 2-4 Dinitrophenol hydrazine -+ gives yellow precipitate with old urine.

Metabolic Diseases Flashcard List

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