KROK 1 2012 – Question 39 · KROK (Medicine) · Biological Chemistry
A 2-year-old child with mental and physical retardation has been delivered to a hospital. He presents with frequent vomiting after having meals. There is phenylpyruvic acid in urine. Which metabolism abnormality is the reason for this pathology?
- A. Amino-acid metabolism
- B. Phosphoric calcium metabolism
- C. Water-salt metabolism
- D. Carbohydrate metabolism
- E. Lipidic metabolism
Hint
Recognise the inherited disorder from phenylpyruvic acid in urine with retarded development, then ask which class of nutrient its blocked enzyme normally handles.
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