This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inborn Errors of Metabolism, Subject name: Pediatrics
Hunters syndrome due to deficiency of - 
Select and explain. 
A. Iduronate sulfatase, B. Hexosaminidase, C. Glucocerebrosidase, D. a-L Iduronidase
A: Iduronate sulfatase
Answer: A: Iduronate sulfatase 
Explanation: Ans. is 'a' i.e., Iduronate sulfatase (Ghai 7th/ep. 639) o Iduronate sulfate sulfatase def. - Hunter syndrome o Hexosaminidase dediciencv seen in Tay-sachs disease o Glucocerebrosidase def. - Gaucher disease