This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pediatrics
Adrenal hyperplasia due to 21 hydroxylase deficiency is treated with low dose: 
Select and explain. 
A. Androgen, B. Estrogen, C. Cortisone, D. Anti androgen
C: Cortisone
Answer: C: Cortisone 
Explanation: Ans: cRef: Pedia ghai, 6th ed, p. 497, Nelson, 17th ed, p. 1912