Pediatrics Massive aminoaciduria without a corresponding increase in plasma amino acid level is characteristic of which one of the following diseases? A Homocystinuria B Hartnup disease C Tyrosinemia D Maple syrup urine disease 💡 Explanation Massive aminoaciduria without a corresponding increase in plasma amino acid level is characteristic of which one of the following diseases? ✓ Correct Answer: B. Hartnup disease