This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolic disorders, Subject name: Pediatrics
In phenylketonuria FeCI test with urine gives .............. color 
Select and explain. 
A. Green, B. Blue, C. Red, D. Purple
A: Green
Answer: A: Green 
Explanation: In ferric chloride test used for detecting the presence of phenols in phenylketonuria,a drop of ferric chloride is added to the urine.Phenols present in urine,will form a complex with Fe(III) to give a transient green colour. Reference:Essential pediatrics-Ghai,8th edition,page no:652