This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Sweaty feet odor in urine is seen in ? 
Select and explain. 
A. Phenylketonuria, B. Maple syrup urine, C. Isovaleric acidemia, D. Alkaptonuria
C: Isovaleric acidemia
Answer: C: Isovaleric acidemia 
Explanation: Ans. is 'c' i.e., Isovaleric acidemia "Sweaty Feet" odour is seen in isovaleric acidemia & glutaric aciduria"Mousy or Musty Odour" of skin, hair and urine is seen in PKU.Burnt sugar like odour is seen in MSU disease (Branched chain ketonuria).Boiled cabbage like urinary odour is seen in - Tyrosinemia & hypermethioninemia.Swimming pool urine odour is seen in - Hawkinsinuria