This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetic and genetic disorders, Subject name: Pediatrics
Sweaty feet smelling urine is seen in A characteristic feature of isovaleric acidemia is a distinctive odor of sweaty feet. This odor is caused by the buildup of a compound called isovaleric acid in affected individuals. Reference: GHAI Essential pediatrics, 8th edition 
Select and explain. 
A. Maple Syrup, B. Gaucher, C. Isovaleric acidemia, D. Phenyl Ketonuria
C: Isovaleric acidemia
Answer: C: Isovaleric acidemia 
Explanation: A characteristic feature of isovaleric acidemia is a distinctive odor of sweaty feet. This odor is caused by the buildup of a compound called isovaleric acid in affected individuals. Reference: GHAI Essential pediatrics, 8th edition