Sunday 24 June 2012

95.FERRIC CHLORIDE TEST POSITIVE IN

A.ALKAPTONIRIA
B.PHENYL KETONURIA
C.HOMOCYSTINURIA
D.ALBINISM

ANS:PHENYL KETONURIA

a qualitative test for the detection of phenylketonuria; the addition of ferric chloride to urine gives rise to a blue-green color in the presence of phenylketonuria.

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